Profile: Zhejiang Chaoda Valve Co.,Ltd. is a specialized manufacturer of industrial steel valves. We are an ISO 9001, CE and API certified company. Our products include ball, gate, check, plug, butterfly, safety, oil field and other special valves, that are applied broadly to the petroleum, chemical, metallurgical & power generation industries. Our production capabilities are equipped CNC lathes, millers, drillers, plasma spray welders, auto painting and ultrasonic cleaners. Our industrial valves meet the requirements of API, ASME, EN, ISO, JIS, DIN, BS, GOST and GB standards. Our multi-functional phys-chemical lab has impact testers, hardness meters, magnetic particle testers, NDE testing equipment and other testing facilities for valve torque, service life, flowing capability, low temperature application, low leakage & pressure tests.