... ,8000lm ,bridgelux 2.Good heat sink design 3.Factory price 4.over 50000hs lifespan 5.2 years warranty ... and anti-corrosion treatment, fancy performance, compact and beautiful structure. 3. LED Chip: Use high brightness single semiconductor chip ... industrial high bay lighting 100wfor industrial lighting widely used in factory, workshop, warehouse, supermarket, exhibition, stadium hall, parking, gas ...