The leading LED chip company’s sapphire substrates are mainly self-made, which has less cost impact and is expected to fully benefit. Most of the major LED manufacturers in the industry use sapphire substrates and are mainly self-made. The main representatives are Nichia, OSRAM Opto, Lumileds, Seoul Semi, Epistar and Sanan Optoelectronics, etc. Sanan Optoelectronics promotes LED substrates in Anxi, Fujian. The bottom production line and related supporting facilities, with an investment of up to CNY7B, have been put into operation in 2013. Through the integration of upstream sapphire substrate materials, LED chip…