GuangDong ChengDa Optoelectronics Co., Ltd was founded in 2006 (factory), becoming professional manufacturer and exporter of various lighting products, including LED light, Halogen light, Energy saving lamp, Underwater lamp, Fluorescent fixture and so on. Under the ISO 9001:2000 Quality Management System, some of our products have CE; RoHS and UL certificates. We have the optical, electrical, thermal and structural experts to compose a powerful LED application products research and development team, invested tens of millions of dollars to build fully automated LED packaging assembly lines. Through exact optical and thermal design, we are now the leading manufacturer; supplier and exporter of LED light bulbs in the world. Our principle is "Quality First & Service Accompanying". We will always doing our best, supplying our customers with high quality commodity and service.