Shijiazhuang Shuangjiu Precision Casting Valve Co.,Ltd. established in 1999 is a high-tech enterprise dedicating to scientific researching,machining,manufacturing and marketing.We are a professional manufacturer of precision casting stainless steel valves,pipe fittings,quick couplings,railway engine fittings and so on.Our products are widely applied to the area of petroleum,chemical and metallurgy,architecture, medicine, foodstuff, electron, transportation etc.Being guided by the spirit that efficient management turns out high quality products and better service wins clients……