How to ensure the quality of best led high bay light fixtures ?

As a professional led industrial light manufacturers , with over 20 years history , WOSEN focus on managing production process , The testing process including raw material inspection , power test after assembly , aging test , waterproof test , drop test , integrating sphere test , surge protection test and voltage resistance test , which certificated by ISO9001-2015 .

This is the waterproof test for led high bay light fixtures for sale .