Waterproof test , is the fourth step of the testing process , can test the IP class of lights products . It will simulate the thunderstorm weather , to detect the waterproof degree of the product . So it is important for the lights ,specially for outdoor lights.
More video of led commercial lights factory China details please click:
Any questions about surface mount flat panel led lights , or customization panel square lights design ? Do you need cheaper and high quality panel fixture ,producing from Chinese led light supplier ?Come and contact us!