Products of LED filament lamp of Shandong Prosperous Star Optoelectronics Co., Ltd. have successfully passed UL certification of American UL Security Check Testing Company in September. The UL file number of our LED filament lamp products is E478533.
LED filament lamp is one of the products which have the highest performance-to-price ratio. Compared with energy saving lamps and incandescent lamps, the most obvious advantages are energy-saving, environmentally friendly, owning long lifespan, perfect light distribusion curve and high CRI which can show the best lighting effects. The series of advantages determine that the products must be sought after by global customers. Meanwhile, passing UL certification means that the products have got “passport”of North American market, and this is an important step for Prosperous Star to expand the market and let the products be famous around the world.
