Our passion for valves goes back to the year 1982. In that very year YAYAKING INDUSTRIAL SUPPLY., LTD was founded in WenZhou, China. More than 20 years experience in manufacturing , more and more OEM&＃039;s, wholesalers, contractors and end users demand YAYAKING valves. The company has excellent mechanical processing equipment and modernized inspection& testing equipments more than 320 sets. Main Products: 1. API/ANSI Standard: Ball Valve, Butterfly valve, Gate Valve, Globe Valve, Check Valve, Plug valve 2. DIN standard: Butterfly valve, Ball valve, Gate valve, globe valve, check valve, strainer 3. Bellows type valve: Globe valve, safety valve, gate valve, and strainer 4. GB Standard: Butterfly Valve, Gate Valve, Safety Valve, Globe Valve, Check valve, Control Valve, Water Control Valve, ball valve, plug valve 5. Flanges Certificates: 1. API 6D 2. CE/PED Certificate 3. ISO9001: 2000 4. ISO14001:2004 5. AZ Certificate 6. API607 Certificate (in application and to be taken out in June, 2009) Material: 1. Cast Material: WCA, WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CF8C, CD4MCu, CN7M ect. 2. Forged Material: A105, LF2, F11, F22, F51, F55, F91, F304, F316, F304L, F316L, F321, 20ALLOY ect. Nominal diameter (DN): 15-4500 mm (1/2"-180"); Nominal Pressure (PN): 0.6Mpa-42Mpa (125lb-2500lb); Standards: API/ANSI, DIN, BS, JIS, GB/ISO Look forward to establishing a good business relation shipment with you and having a bright future!