Wujiang Weishida Copper Technology Co., Ltd. Was established in 2011, is a collection of copper inorganic salt, copper compounds, nanometre and ultra-micro copper crystallization series products research and development, production, sales in one of the high-tech enterprises. It is located at the side of the Minggang Bridge on the south side of the 318 national highway in Wujiang, Suzhou, a water village in the south of the Yangtze River, which has convenient transportation and beautiful environment. We have a production base of 12, 000 square meters in Wujiang, and have the production base of different projects in Zhejiang Linan and Suzhou, and has the research and development center, analytical test center and experimental base of the high-degree technical team LED by the doctoral student..