Botou Shengfeng Auto-control Valve Co., Ltd is a comprehensive enterprise in scientific research, production, sales, spececializing in research and production of hydraulic automatic control and flow control technology energy saving valves. Site is located in Botou Industrial Park, covers an area of 15000 ㎡, with independent development and manufacturing capacity. The biger caliber intelligent water meter controlled valve developed by company has gained many national patents.