Yesterday, the Shanghai Composite Index repeatedly competed around 3900 points, with an amplitude of nearly 3%. It was near the end of the broader market, and the rise of state-owned enterprises, powe
Nowadays, many LED lighting R&D engineers are college students who graduated soon. College students are flexible in thinking, accepting new technologies, and knowing foreign languages (perhaps rel
LED road/tunnel lighting products, LED downlights, reflective self-ballasted LED lights and other three types of LED lighting products have not been developed for a long time.
LED packaging manufacturer Yiguang and Japan's LED manufacturer Nichia, in the past ten years in the world, including Japan, Taiwan, Germany, the United States and other places to fight patents.