WOSEN LIGHTING TECHNOLOGY LIMITED

WOSEN LIGHTING TECHNOLOGY LIMITED

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ABOUT US

Established in 1992, WOSEN is an enterprise with 30 years of LED lighting manufacturing and marketing experience in China, we specialize in the production of Led Street Light, LED Flood Light, LED high Bay Light, Led Solar Light, Led Ceiling Light and other lights with 30,000 square meters of factory buildings and 300 employees staff. There are 6 professional engineers, 7 quality personnel, and 20 professional lighting solution marketing consultants. The experienced R&D team is not only the strong backing of WOSEN, but also the strong backing of WOSEN's partners all over the world. Our products have CE, RoHS, SAA, ISO9001 and other certifications. We will provide customers with high-quality customized services and detailed lighting solutions.Our market and customers spread over North America, Europe, Middle East, etc., and we maintain long-term cooperation and vendor relationships with many creditable customers, including several Fortune 500 enterprises.

WELCOME TO WOSEN LIGHTING

If you are looking for the most professional and quality lighting solutions, then you are in the right place. We are an excellent manufacturer of LED Flood Light, LED high Bay Light, Waterproof Solar Street Light, LED Ceiling Light and other lights. We are committed to growing into an international first-class business partner and supplier to reputable retailers and distributors in the field of outdoor lights and solar lights.Welcome to WOSEN.

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LATEST NEWS

Brighten Up Your Backyard with Solar Flood Lights

Outdoor lighting is essential for enhancing the ambiance, safety, and functionality of your backyard space. Among the various options available, solar flood lights stand out as an eco-friendly, cost-effective, and low-maintenance solution. In this article, we'll explore the benefits of solar flood lights and guide you through the process of choosing and installing the perfect ones for your backyard. What are Solar Flood Lights? Solar flood lights are outdoor lighting fixtures powered by solar energy. They harness the sun's energy through solar panels and store it in rechargeable batteries, which power the LED lights during the night or in low-light conditions. The working principle of solar flood lights is quite simple. During the day, the solar panel converts sunlight into electrical energy and charges the battery. When the sun goes down, the built-in light sensor automatically turns on the LED lights, illuminating your desired area. Key components of solar flood lights include: Solar panel: Responsible for capturing and converting sunlight into electrical energy. Rechargeable battery: Stores the energy collected by the solar panel for later use. LED lights: Energy-efficient and long-lasting light sources that provide bright illumination. Solar flood lights come in various types, including motion-sensor activated, dusk-to-dawn, and adjustable light intensity models, catering to different needs and preferences. Benefits of Using Solar Flood Lights for Backyards: Energy efficiency and cost savings: Solar flood lights operate on free and renewable solar energy, significantly reducing your electricity bills. Environmentally friendly and sustainable: By harnessing solar power, these lights contribute to a greener planet and reduce your carbon footprint. Easy installation and maintenance: Solar flood lights are simple to install, and most models require minimal maintenance beyond occasional cleaning and battery replacement. Versatility and various applications: Ideal for lighting pathways, patios, gardens, and other outdoor areas, solar flood lights offer versatile solutions for your backyard lighting needs. Factors to Consider When Choosing Solar Flood Lights: Lumen output and brightness: Ensure the solar flood lights you choose provide sufficient illumination for your desired area. Battery capacity and runtime: Consider the battery's capacity and the expected runtime to ensure uninterrupted lighting throughout the night. Motion sensor and dusk-to-dawn functionality: Decide if you prefer motion-activated or dusk-to-dawn operation based on your specific requirements. Weatherproof and durable construction: Opt for solar flood lights designed to withstand outdoor elements, ensuring long-lasting performance. Aesthetic appeal and design: Choose solar flood lights that complement the style and decor of your backyard space. Tips for Installing and Maintaining Solar Flood Lights: Optimal placement for maximum sunlight exposure: Position the solar panels in an area that receives direct sunlight throughout the day for optimal charging. Proper mounting and angling for effective lighting: Mount the solar flood lights at the appropriate height and angle to ensure optimal illumination of your desired area. Battery maintenance and replacement: Follow the manufacturer's recommendations for battery maintenance and replacement to ensure consistent performance. Cleaning the solar panels regularly: Regularly clean the solar panels to remove dirt, debris, or obstructions that may hinder their efficiency. Conclusion: Solar flood lights offer a sustainable, cost-effective, and hassle-free solution for illuminating your backyard spaces. By embracing this eco-friendly technology, you can create a welcoming and functional outdoor environment while reducing your carbon footprint and energy costs. Take the time to research and invest in high-quality solar flood lights that meet your specific needs and enhance the beauty and usability of your backyard. If you need to purchase lamps in bulk, please contact us.WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349

18 April-2024

Optimizing Lumen Output with LED UFO High Bay Lights

LED UFO high bay lights have become increasingly popular in industrial and commercial settings due to their energy efficiency, long lifespan, and durability. These high-performance lighting solutions are designed to provide optimal illumination while reducing energy consumption and maintenance costs. One of the key factors in ensuring the effectiveness of LED UFO high bay lights is maximizing their lumen output, which directly impacts the quality and intensity of illumination in large spaces. Importance of maximizing lumen output for optimal illumination in industrial/commercial settings: In industrial and commercial environments, proper lighting is crucial for maintaining worker safety, productivity, and overall efficiency. Insufficient illumination can lead to eye strain, fatigue, and even accidents. By maximizing the lumen output of LED UFO high bay lights, businesses can achieve optimal lighting conditions, ensuring a well-lit workspace and promoting a safe and productive environment. Key Factors Affecting Lumen Output: Several factors contribute to the lumen output of LED UFO high bay lights, and understanding these factors is essential for selecting the right product and maximizing its performance. Wattage and driver efficiency: The wattage of an LED UFO high bay light directly affects its lumen output. Higher wattage typically translates to higher lumen output, but it's important to consider the driver efficiency as well. High-quality drivers can maximize the efficiency of the power delivery, resulting in higher lumen output per watt. LED chip quality and binning: The quality of the LED chips used in the light fixture plays a crucial role in determining its lumen output and overall performance. LED chip binning is the process of sorting and grading LED chips based on their performance characteristics, such as brightness, color consistency, and efficiency. Using high-quality LED chips from reputable manufacturers can significantly improve the lumen output and ensure consistent performance over time. Thermal management: Proper thermal management is essential for maintaining the performance and longevity of LED UFO high bay lights. Excessive heat can degrade the efficiency of the LED chips and reduce their lifespan. Effective heat dissipation techniques, such as heat sinks, fans, and thermal interface materials, are crucial for ensuring optimal thermal management and maximizing lumen output. Optical design (reflectors, lenses): The optical design of LED UFO high bay lights, including reflectors and lenses, plays a vital role in directing and focusing the light output. High-quality optics can maximize lumen output by minimizing light losses and ensuring uniform light distribution. Secondary optics (diffusers, reflectors): Secondary optics, such as diffusers and reflectors, can further enhance the light distribution and uniformity of LED UFO high bay lights. These components can help minimize hotspots and achieve a more evenly distributed illumination, improving the overall quality of lighting. Choosing the Right Wattage and Driver: Selecting the appropriate wattage and driver for LED UFO high bay lights is crucial for achieving the desired lumen output and ensuring optimal illumination. Several factors should be considered, including the area size, ceiling height, and desired illumination levels. Higher wattage lights are typically recommended for larger spaces or areas with higher ceiling heights. Additionally, using high-efficiency drivers can improve the overall performance and energy savings of the lighting system. LED Chip Quality and Binning: LED chip binning is an essential process that helps ensure consistent performance and quality among LED chips. During the binning process, LED chips are sorted and graded based on their brightness, color consistency, and efficiency. Choosing LED UFO high bay lights that use high-quality LED chips from reputable manufacturers with strict quality control measures can result in higher lumen output, better color consistency, and improved overall performance. Thermal Management Strategies: Proper thermal management is critical for ensuring the longevity and optimal performance of LED UFO high bay lights. Excessive heat can degrade the efficiency of the LED chips and shorten their lifespan, ultimately reducing the lumen output. Common thermal management techniques for LED UFO high bay lights include the use of heat sinks, fans, and thermal interface materials. These strategies help dissipate heat effectively, maintaining the performance and lumen output of the lighting fixtures over time. Optical Design Considerations: The optical design of LED UFO high bay lights plays a crucial role in maximizing lumen output and achieving uniform light distribution. Reflectors and lenses are used to direct and focus the light output, minimizing losses and ensuring optimal illumination. Using high-quality optics can result in uniform light distribution, reduced glare, and improved overall lighting efficiency. Additionally, selecting the right beam angle for the specific application is essential for achieving the desired lighting pattern and maximizing the lumen output in the target area. Secondary Optics and Light Distribution: Secondary optics, such as diffusers and reflectors, can further enhance the light distribution and uniformity of LED UFO high bay lights. Diffusers help to evenly distribute the light, minimizing hotspots and creating a more uniform illumination pattern. Reflectors can be used to redirect light in specific directions, ensuring optimal coverage and minimizing light waste. By customizing the light distribution patterns using secondary optics, businesses can tailor the lighting solution to their specific applications and maximize the lumen output in the desired areas. Installation and Maintenance Tips: Proper installation and regular maintenance are crucial for ensuring the optimal performance and lumen output of LED UFO high bay lights. Following best practices for installation, such as proper mounting and positioning, can help maximize the effectiveness of the lighting system. Regular cleaning and maintenance can also prevent dust and debris accumulation, which can negatively impact the lumen output over time. Troubleshooting common issues that may affect lumen output, such as faulty drivers or thermal management problems, can help identify and address potential problems before they become more significant. Conclusion: Maximizing the lumen output of LED UFO high bay lights is essential for achieving optimal illumination in industrial and commercial settings. By considering factors such as wattage, driver efficiency, LED chip quality, thermal management, optical design, and secondary optics, businesses can select high-quality lighting solutions that deliver superior performance and energy savings. Choosing high-quality LED UFO high bay lights with optimized lumen output can provide numerous benefits, including improved visibility, enhanced worker safety and productivity, and reduced energy consumption. By investing in the right lighting solution and following best practices for installation and maintenance, businesses can create a well-lit and efficient workspace while minimizing their environmental impact and operational costs. If you need to purchase lamps in bulk, please contact us.WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349

17 April-2024

Optimal Gym Lighting Design with LED Lights

Proper lighting is a crucial aspect of creating an inviting and functional environment in gyms and fitness centers. With the rise of energy-efficient LED lighting technology, these facilities now have the opportunity to enhance their lighting systems while reaping numerous benefits, including improved visibility, energy savings, and a more comfortable atmosphere for members. Importance of proper lighting in gyms and fitness centers Adequate lighting plays a vital role in ensuring the safety and comfort of gym-goers during their workouts. Poorly lit areas can increase the risk of accidents, strain the eyes, and negatively impact the overall exercise experience. Additionally, appropriate lighting levels can contribute to creating an energizing and motivating atmosphere, which can encourage members to engage in more physical activity. Benefits of LED lighting (energy efficiency, long life, low heat output) LED lighting offers numerous advantages over traditional lighting sources, making it an ideal choice for gyms and fitness centers. These energy-efficient luminaires consume significantly less electricity, resulting in lower utility bills and a reduced carbon footprint. Furthermore, LED lights have an exceptionally long lifespan, minimizing the need for frequent replacements and associated maintenance costs. Additionally, their low heat output helps to maintain a comfortable temperature in the gym, reducing the burden on air conditioning systems. Overview of key factors to consider for gym lighting To maximize the benefits of LED lighting in a gym setting, it is essential to consider various factors, including lighting levels, color temperature, lighting controls, layout, and durability. By addressing these elements, gym owners and facility managers can create an environment that promotes safety, enhances the exercise experience, and reduces operational costs. Section 1: Lighting Levels and Brightness Recommended lux levels for different gym areas (weights, cardio, sports courts, etc.) Different areas within a gym or fitness center require varying levels of illumination to ensure optimal visibility and safety. For example, weight training areas may require higher lux levels to clearly distinguish equipment and prevent accidents, while cardio zones may benefit from slightly lower lighting levels to create a more relaxed atmosphere. Sports courts and multipurpose areas may necessitate even higher lux levels to support fast-paced activities and prevent shadows from obstructing vision. Achieving proper brightness for visibility and safety Achieving the appropriate brightness levels is crucial for both visibility and safety in gym settings. Inadequate lighting can make it difficult to navigate equipment, read instructions, or identify potential hazards, increasing the risk of injuries. On the other hand, excessively bright lighting can cause glare, eye strain, and discomfort, potentially deterring members from utilizing the facilities. Avoiding overly bright or dim lighting It is essential to strike a balance between providing sufficient illumination for safe and comfortable exercise while avoiding overly bright or dim lighting conditions. Excessively bright lighting can be distracting and potentially cause eye fatigue, while dim lighting can contribute to an uninviting and potentially hazardous environment. Section 2: Light Color and Color Rendering Ideal color temperatures for gym lighting (cool vs warm) The color temperature of lighting plays a crucial role in creating the desired ambiance and atmosphere within a gym or fitness center. Cool color temperatures, ranging from 5000K to 6500K, can create a more energizing and invigorating environment, potentially encouraging members to engage in more vigorous physical activity. Conversely, warmer color temperatures, around 3000K to 4000K, can foster a more relaxing and welcoming atmosphere, which may be preferred in areas like yoga studios or stretching zones. Importance of high color rendering for accurate visibility In addition to color temperature, the color rendering index (CRI) of lighting is an essential consideration for gyms and fitness centers. A high CRI, typically above 80, ensures that colors are accurately represented, enabling members to clearly distinguish equipment, floor markings, and their surroundings. This accurate color rendering can enhance safety, improve the overall exercise experience, and contribute to an aesthetically pleasing environment. Impacts of light color on mood and energy levels The color of lighting can significantly influence mood and energy levels, which are crucial factors in motivating individuals to engage in physical activity. Cool, blue-toned lighting has been shown to increase alertness and focus, while warmer, yellow-toned lighting can promote relaxation and calmness. By carefully selecting the appropriate color temperature and CRI for different areas within the gym, facility managers can create an environment that supports the desired mood and energy levels for various activities. Section 3: Lighting Controls and Zoning Using zoned lighting controls in different areas To effectively manage lighting levels and energy consumption, gyms and fitness centers can benefit from implementing zoned lighting controls. By dividing the facility into distinct zones, each area can be independently controlled, allowing for customized lighting levels based on specific needs and occupancy patterns. For example, cardio areas may require higher lighting levels during peak hours, while weight training zones may benefit from dimmed lighting during off-peak times. Allowing user adjustment of lighting levels Providing gym members with the ability to adjust lighting levels within designated areas can enhance their overall experience and satisfaction. This level of control empowers individuals to customize the lighting conditions to their personal preferences, potentially improving their performance, comfort, and motivation during workouts. Incorporating daylight harvesting and occupancy sensors To further optimize energy efficiency and reduce unnecessary energy consumption, gyms and fitness centers can incorporate daylight harvesting and occupancy sensors into their lighting systems. Daylight harvesting technology automatically adjusts artificial lighting levels based on the amount of available natural light, minimizing energy waste. Occupancy sensors, on the other hand, detect when areas are unoccupied and automatically dim or turn off lights, reducing energy consumption and extending the lifespan of the lighting fixtures. Section 4: Lighting Layouts and Positioning Arranging lights for uniform coverage Proper lighting layout and positioning are essential for achieving uniform coverage and minimizing dark spots or uneven illumination within the gym. By strategically arranging lighting fixtures, facility managers can ensure that all areas receive adequate and consistent lighting, enhancing visibility and safety for members. Positioning for glare avoidance In addition to uniform coverage, the positioning of lighting fixtures should also consider glare avoidance. Glare can be a significant distraction and cause eye strain, potentially affecting members' ability to exercise safely and comfortably. Proper positioning and shielding of lights can minimize direct and reflected glare, creating a more enjoyable and user-friendly environment. Highlighting key areas like weights and exercise floors Certain areas within a gym or fitness center may require additional emphasis or highlighting. For example, weight training areas and exercise floors may benefit from focused lighting to enhance visibility and safety during specific activities. By strategically positioning and aiming lighting fixtures, facility managers can draw attention to these crucial areas, improving overall functionality and user experience. Section 5: Durability and Environmental Considerations Rugged LED fixtures for high-use gym environments Gyms and fitness centers are high-traffic environments with constant movement and activity, which can subject lighting fixtures to potential impacts and wear. To ensure longevity and minimize maintenance requirements, it is essential to select rugged and durable LED fixtures specifically designed for these demanding environments. These fixtures should be able to withstand impacts, vibrations, and other physical stresses associated with gym use. Moisture and temperature resistance In addition to durability, gym lighting fixtures must also be resistant to moisture and temperature fluctuations. Activities like swimming, sauna use, and intense workouts can create humid conditions, while varying occupancy levels and equipment usage can lead to temperature changes. LED fixtures with appropriate ingress protection (IP) ratings and thermal management capabilities can withstand these environmental challenges, ensuring reliable performance and extended lifespan. Energy and maintenance savings of LED over other types One of the most significant advantages of LED lighting in gyms and fitness centers is the substantial energy and maintenance savings it offers compared to traditional lighting technologies. LED luminaires consume significantly less electricity, resulting in lower utility bills and a reduced carbon footprint. Additionally, their extended lifespan minimizes the need for frequent replacements, reducing maintenance costs and disruptions to facility operations. Conclusion Summary of gym lighting best practices with LED Implementing proper LED lighting in gyms and fitness centers is essential for creating a safe, comfortable, and inviting environment that promotes physical activity and overall well-being. By considering factors such as lighting levels, color temperature, lighting controls, layout, and durability, facility managers can optimize the lighting system to enhance visibility, improve mood and energy levels, and reduce operational costs....

16 April-2024

Will Hybrid Solar and Mains Street Lights Cause Circuit Breaks?

Hybrid solar and mains street lights are an innovative solution that combines the benefits of renewable energy and traditional grid power. As concerns over energy conservation and sustainability continue to rise, these systems have gained increasing popularity across cities and municipalities worldwide. However, there are potential concerns about circuit breaks, which can disrupt the seamless operation of these hybrid systems. How Hybrid Solar and Mains Street Lights Work Hybrid solar and mains street lights integrate solar panels and batteries with a connection to the local electricity grid. During daylight hours, the solar panels capture and convert sunlight into electrical energy, which is stored in the batteries. At night, or during periods of low sunlight, the system automatically switches to drawing power from the mains grid to ensure uninterrupted illumination. The solar panel and battery component provide a renewable and sustainable source of energy, reducing reliance on fossil fuels and minimizing the carbon footprint. The mains grid connection acts as a backup, ensuring reliable operation even in cloudy or overcast conditions. Potential Risks of Circuit Breaks While hybrid solar and mains street lights offer numerous advantages, there are potential risks associated with circuit breaks. These can occur due to electrical compatibility concerns, voltage fluctuations and surges, or overloading and overheating risks. Electrical compatibility concerns may arise when the solar and grid components are not properly integrated, leading to potential conflicts or mismatches in voltage, frequency, or phase. Voltage fluctuations and surges can also stress the system, potentially causing damage or premature failure of components. Overloading and overheating risks can occur when the system is not appropriately sized or designed for the intended load, leading to excessive current draw and heat buildup, which may trigger circuit breakers or cause component failure. Factors Affecting Circuit Breaks Several factors can contribute to the likelihood of circuit breaks in hybrid solar and mains street light systems. These include the quality of components and installation, system design and load balancing, and the stability and power quality of the grid connection. Proper system sizing and design are crucial to ensure that the solar panels, batteries, and grid connection are appropriately matched and capable of handling the anticipated load. Surge protection and voltage regulation mechanisms should be implemented to mitigate the impact of voltage fluctuations and spikes. Regular maintenance and monitoring are also essential to identify and address potential issues before they escalate, such as degradation of components or imbalances in the system. Failsafe mechanisms and backup systems can provide an additional layer of protection, allowing for seamless operation in case of circuit breaks or other failures. Case Studies and Real-World Examples Several cities and municipalities around the world have successfully implemented hybrid solar and mains street light systems, realizing significant energy savings and reducing their carbon footprint. However, some installations have experienced circuit breaks due to various factors, such as improper system design, component failures, or grid instability. By analyzing these real-world examples and learning from the challenges encountered, best practices and guidelines have been developed to minimize the risk of circuit breaks and ensure the reliable and efficient operation of hybrid solar and mains street light systems. Conclusion: Hybrid solar and mains street lights offer a compelling solution for sustainable and reliable outdoor lighting. By combining renewable energy sources with grid connectivity, these systems provide a balance between environmental responsibility and operational reliability. However, it is crucial to address the potential risks of circuit breaks through proper system design, component selection, installation, and maintenance. Following established guidelines and best practices can help mitigate these risks, ensuring the safe and uninterrupted operation of hybrid solar and mains street light systems. As the adoption of these systems continues to grow, ongoing research and technological advancements will further enhance their performance, efficiency, and reliability, paving the way for a more sustainable and energy-conscious future. If you need to purchase lamps in bulk, please contact us.WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349

15 April-2024

How to Calculate the Lighting Range of LED Stadium Lights

LED stadium lighting has become increasingly popular due to its energy efficiency, long lifespan, and superior light quality. Proper lighting is crucial for sporting events and activities, ensuring visibility, safety, and an enhanced viewing experience for both players and spectators. Calculating the lighting range is a critical step in the design process, as it ensures adequate illumination throughout the field or court while minimizing light spill and glare. The lighting range is influenced by several factors, including the LED luminaire specifications, mounting height, spacing between luminaires, field dimensions, and surface reflectance. Accurate calculations are essential to achieve the desired light levels and uniformity. Factors Affecting Lighting Range: LED luminaire specifications: The lumen output, beam angle, and photometric distribution of the luminaires play a significant role in determining the lighting range. Mounting height: The height at which the luminaires are installed affects the light distribution and coverage area. Spacing between luminaires: Proper spacing ensures uniform illumination and minimizes dark spots or over-lit areas. Field dimensions and surface reflectance: The size of the field or court and the reflectance of the surface impact the light distribution and required illumination levels. Step-by-Step Calculation Process: Determine the required light levels (illuminance) based on the sport or activity guidelines provided by organizations like the Illuminating Engineering Society (IES) or the International Commission on Illumination (CIE). Calculate the light loss factors (LLF) to account for factors such as luminaire aging, dirt accumulation, and ambient temperature. Estimate the luminaire spacing using photometric data provided by the manufacturer, considering the required illuminance levels and uniformity ratios. Use lighting design software or manual calculations to determine the lighting range, taking into account the field dimensions, luminaire specifications, and mounting heights. Lighting Software and Calculations: Popular lighting design software like AGi32, DIALux, and Visual Lighting Software can greatly simplify the calculation process. These programs allow users to input field parameters, luminaire data, and desired light levels, and then perform calculations using various methods, such as point-by-point or zonal cavity calculations. Accurate photometric data from the luminaire manufacturer is essential for reliable calculations. This data represents the luminaire's light distribution pattern and output characteristics, which are crucial for predicting the lighting performance on the field or court. Interpreting the Results: Lighting design software typically generates isofootcandle or isolux plots, which visually represent the illuminance levels across the field or court. These plots help identify areas with sufficient or inadequate lighting, as well as potential hot spots or dark zones. Key metrics to consider include uniformity ratios (average-to-minimum and maximum-to-minimum ratios), which ensure consistent lighting throughout the area. Additionally, compliance with relevant standards and guidelines, such as those provided by the IES or CIE, should be verified. Optimizing the Design: The lighting design can be optimized by adjusting the luminaire layouts, aiming angles, and mounting heights. Different luminaire options with varying beam angles or lumen outputs can also be explored to achieve the desired lighting performance while considering energy efficiency and cost-effectiveness. Conclusion: Calculating the lighting range for LED stadium lighting is a critical step in the design process. It involves considering various factors, determining the required light levels, using appropriate software or calculations, and interpreting the results to ensure compliance with relevant standards. Proper lighting design not only enhances the viewing experience but also contributes to player safety and overall event quality. For complex projects or specialized applications, consulting with lighting professionals is recommended to achieve optimal results. If you need to purchase lamps in bulk, please contact us.WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349

13 April-2024

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