JINCHUAN Group Co., Ltd.(JNMC) is a large integrated enterprise engaged in mining, concentrating, metallurgy and machining. It possesses abundant Nickel, Copper, Cobalt resources and it is the fourth-largest Nickel producer in the world and the second-largest Cobalt producer,and the third-largest copper producer. was listed the NO.89 within the largest 500 advantage enterprise of China . JINCHUAN Group Precision Copper Co.,Ltd.is a subsidiary of JINCHUAN Group,was established in October 1, 1988,with producing copper and copper alloy tube, rod, wire businesses, annual production capacity of 60,000 tons. The pruducts is used in shipping,desalination industry,marine engineering,thermal power, nuclear power,petrochemical and military industry,etc.The company now has all kinds of patents 81, eight of which are invention patents, utility model patents 73.