Zhangjiagang Yangming Electric Light Source Technology Co., Ltd. is the predecessor of Zhangjiagang Sanming Electric light source material factory. Sanming was a member of Chinese Lighting Electric Appliance Association, and specializing in the production of rare earth trichromatic phosphors that are mainly used in energy-saving lamps. The main equipment of Sanming were tunnel kiln, ammonia reduction furnace, various kins of powder mixing equipment, different types of grinding equipment and etc. Sanming also had all kinds of testing equipment which strengthened its strong technical power. With all these equipments, we could make the best products according to different requirements of our customers.With the development and the needs of society, the traditional energy-saving lights are gradually replaced by the fourth-generation LED lights. In response to the market demand, the founder of Sanming established the Zhangjiagang Yangming electric light source technology Co., Ltd. in Jiangsu Province and the Zhongshan Hejiu Lighting Electric Co., Ltd. in Guangdong province. Zhangjiagang Yangming electric light source technology Co., Ltd mainly produces LED bulbs lights and LED fluorescent lamps, it is also responsible for the development, sales, management and after-sale service of all products. Zhongshan Hejiu Lighting Electric Co., Ltd.Zhongshan mainly produces LED ceiling lights, LED bay lights, LED spot lights and LED landscape lights.