SHUANGHENG VALVE CO.,LTD was established in 2000. Manufacturing and supplying various kinds of valves for oil and gas industry, Petro-chemical, Chemical industry, Metallurgy, Foodstuff, Paper making and construction, sulfuric acid plant etc.The company has established the technical research, development center and quality inspection center with a relatively sound management system. In addition, it has introduced advanced manufacturing technology from aboard, and has advanced machining centers, CNC machine tools, metal cutting and processing equipment, physical and chemical testing equipment, nondestructive tester, spectrum analyzer, valve comprehensive performance tester and other equipment to ensure the products reach the purpose of zero leakage.Our product as follows: Gate valves, globe valves, check valve,ball valves, butterfly valves, plug valve, Solenoid valve, safety valve, control valves, steam trap ,strainer ,high-temperature and high-pressure power station valves, cryogenic valves , and various special valves.standard:ANSI Standard,BS Standard,DIN Standard,JIS Standard etc.Material:Cast Steel(A216-WCB,A352-LCB,A217-WC1/WC5/WC6/WC9), Forged Steel(A105,F5,F11,F22,LF2),Stainless Steel(A351 CF8/CF8M/ CF3/CF3,A182 F304/F316/F304/F316L),Allay steel(ALLOY20), Cast iron ,Brass, Bronze, Titanium alloy etc.Size:from 1/2 inches to 160 inches from 15mm~4000mm.Connect:Flanged ends,Butt-welding ends,Socket welding ends,Threaded ends etc. Pressure grade:ANSI CLASS 150,CLASS 300,CLASS 600,CLASS 800,CLASS 900, CLASS 1500,CLASS 2500,DIN PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160, JIS 5K,10K,20K etc.We are certified by international certificates such as ISO9001 International quality certificates, API6D,API 607, CE/ PED, etc.Our products are exported to worldwide. Thinking from your point of view, We provides also professional OEM & ODM service. Our mission is to strive to be a "one-stop" worldwide supplier with competitive pricing, high-quality valves, on-time delivery, and reliable customer service. Look forward to having a chance to serve your esteemed company.Please visit our contact page to send us your requirements via the web site or give us a call. Alternatively, please choose an option from the menu on the left to find out more about our products and services.