We believe that "COSUN" technology is the smartest way forward for future lighting applications. We have around 20years experience and engagement at the forefront of precision applications for IT industry.Multi-chip LED packaged LED , AC LED and heat management are our core technology. "COSUN" is passionate about energysaving use for our environment so that strive to LED Lighting technology. Designing and packaging LED, heat dissipation, optics designing , electrical control , fixture mechanism ... services: LED COB 燈板設計, LED散熱設計, 大功率LED商品設計, AC LED 商品設計, DC LED 商品設計