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Tianjin, China
Tianjin Tanghai Dongyang Valve Manufacturing Co., Ltd. is a professional valve manufacturer based in Tianjin, China, specializing in butterfly valves and check valves for marine and industrial applications. The company offers various types of butterfly valves including wafer type, lug type, U-type flange, double flange, fluorine lined PTFE, double eccentric high performance, and triple eccentric models. They also produce swing check valves such as single-disc, dual plate, tilting disc, and lift swing check valves. With certificates from CE, ISO, BV, and DNV, the company has its own R&D, manufacturing, assembly, and warehousing workshops. Founded in 2005, it now employs a group of high-tech engineers, technicians, and skilled production workers. In July 2026, they introduced a double offset marine butterfly valve. The company's address is East of Guanghui Road, Beizhakou town, Jinnan Dist
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