Beijing high-medium pressure valves(Factory) Co., Ltd, located in the share capital of 800 years historical and cultural cities -- Beijing Nancheng. The company formerly known as Beijing Jianzhong machinery factory, established in 1953, the Department of Machine-Building lndustry key enterprises (national levels enterprises), is the former State Administration of Machinery lndustry, manufacturing high-medium pressure valves and traps of the backbone enterprises, with more than 50 years history of production of valves and briliant performance, is Chinese valve industry leader earlier, in 1994 and replaced by joint-stock enterprises.