Yongjia Sanjing Valve Co.,Ltd. is located in the valve town-Oubei town ,is a valve enterprise.Sanjing brand valve have good quality, and boasts various kinds of ones,for example,Check Valve,satety valve, ball valve,gate valve,solenoid valve and so on.Nominal bore are 6mm-200mm(1/4'-80'),Nominal pressure are 0.1mpa-60Mpa (150LB-3500LB),working temperature are -196C-1300C,and main material are WCB.WC6WC92GCr5Mo2G1,product are widely used in petroleum,fertilizer ,steel,pharmacy,weave and so on. Our company are designed as ISO9001 and is taking effort on design new products as every kind of material and mode.With the leading tech and administration, good reputation and good after service, we believe we can bring the good product and service.