Tianjin Tanggu Water-Seal Valve Co., Ltd. is an industrialized, joint-stock company, whose original name was Tianjin Tanggu Valve Plant. Reformed in 2004, our company has registered capital of RMB28,090,000. We are a class-two national enterprise. Our main products include center line butterfly valves, flanged butterfly valves, metal butterfly valves, check valves, gate valves, waterpower control-valves, micro-resistance slow close check valves, multi-function pump control valves and related series products. Our annual production output is more than 8,000 metric tons. Our company has offices...