Shanghai Tianshen Copper Group Co., Ltd was established in 1992, which is engaged in manufacturing and selling non-ferrous materials and copper products. Over 20 years of development, the group pattern has been composed with Zhejiang Tianshen Copper Co., Ltd, Zhejiang Zhonghan Alloy Material Co., Ltd, Shanghai Tianshen Sanitary Wares Co., Ltd and Shanghai Tianshen Copper Group Lead-free Meter Co., Ltd as the production base, Shanghai Tianshen Copper Group Co., Ltd as the operation and management center. Its annual sales is above RMB 2.05 billion (More than USD 30 million). The Group has passed the ISO9001: 2000 quality system certification in 2001 and the ISO14001: 2004 environmental system certification in 2013, and possessed patents of "Copper Ingots for Gravity Casting and its Casting process", "Permanent Gravity Casting Molds of Tin-bronze Castings and its Casting Process" and "A kind of suitable for Gravity Casting method of Preparation of Lead-Free Bismuth Brass Alloy Material" etc. Now, Tianshen has become a group enterprise featured with its Lead-Free and environmental-Friendly copper products.