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.