Dervos, since the foundation of our factory in 1995, have been a specialized and responsive exporter of industrial xxxxx reputation resulted from our strict control system of casting/ forging, machining, assembling, test and packing.We have good business relation ship with may valve manufacture.And, all of our products are manufactured according to some internationally accepted standards such as ANSI, API, DIN, BS, and JIS.Hereby I would like to give you a brief introduction of our main products as the following list:Valves Type :Gate, Globe, Check, Ball, Butterfly, Plug, Strainer.Material :Cast Steel, Alloy Steel, Forged Steel, Cast Iron, and Stainless Steel.Standards :API, DIN, ANSI, BS, JIS, etc.Approvals :ISO 9001, API 6D, CE, PED, etc.Other products :Flanges, Fittings, etcIf you want to exploit Chinese valve market, pls don't hesitate to contact us.Best regards,DERVOS TEAM