Huaxing (Ledtech Electronics), Unity Opto Technology, Paraoptoelectronics, Yiguang (Everlight Electronics), Baihong (Bright LED Electronics), Kingbright, Lingsen Precision Industries, Lijite Electronics, Lite-On Technology, HARVATEK, etc.
Mainland LED chip manufacturers: Sanan Optoelectronics (S), Shanghai Epilight (E), Slam Mingxin (SL), Dalian Lu Mei (LM), Yuan Di Optoelectronics, Huacan Optoelectronics, Nanchang Xin Lei, Shanghai Jinqiao Dachen, Hebei Lide, Hebei Huineng, Shenzhen Orende, Shenzhen Century Jingyuan, Guangzhou Puguang and Yangzhou Huaxia Integration.
Foreign LED chip manufacturers: Cree, Hewlett-Packard (HP), Riya, Toyota Synthetic, Ocean Risoic Acid, Toshiba, Showa Electric (SDK), Lumileds, Smileds, Genelite, OSRAM, GeLcore, Seoul Semiconductor, etc. , Puri, An Ying, South Korea. You can look at the LED supply network (www.ledgyw.com) and the LED network in China, and there are some useful information.