Profile: Vatac Vango Valves (Wenzhou) Corporation produces and services a wide range of industrial valves & fittings for the oil, gas, refinery, chemical, marine, power station & pipeline industries. We are an ISO 9001:2000 certified company. Our valves include knife gate, through conduit gate, split body ball, three way ball, cast steel gate, jacketed ball, bellow sealed gate and forged steel gate. Our valves are made from conventional cast/forged steel, to special alloy materials, like monel, inconel & hastelloy/duplex steel. All our products are designed, manufactured and tested fully to API, ASTM, ANSI, JIS, DIN & BS standards. Our through conduit gate valves are also available in low temperature, low alloy, stainless and duplex type stainless steel & other exotic materials. We also offer valves in various trim materials, to suit service conditions.