Yuandong Valves Group founded in 1990, is a member unit of China Valves Accociation. Our company is located in Valves Exporting Base of Zhejiang Province covering 26.000 square meters for workshops. We are the one of valves manufacturer who have our own Radiographic Testing Room and the only one company who cooperation with SGS(SGS-CSTC Standards Technical Services Co., Ltd Wenzhou Branch) for Industrial NDT Services. We are mainly producing Ball Valves and Gate Valves Certified to ISO 9001, API 6D, API 607, CE/PED, AZ and etc. YODO Valve Group consists of commercial, Technical and Engineering offices covered 2700 square meters. We are a global manufacturer and supplier of Valves to Oil & Gas, E&P, Petrochemical, Chemical, Mining, Power and Industrial Markets. The YODO Valve design and production staff includes Highly Qualified Engineers with a long experience in all technical standards and in meeting customers special requirements. Modern design methods are employed to analyse specific stresses and deformation limits of valve bodies and main valve components.