TianJin Tanggu Valve Plant was established in 1956, specialized in producing medium and low pressure valves, it was the first domestic valve manufacturer that passed ISO9001 international quality system certificate by DNV international certification organization in 1993. main products are wafer and lug butterfly valves, slim pinless butterfly valves, flanged valves, gate valves, check valves, ball valves, Y-strainer and etc. in medium and low pressure rate. The valves are widely applied for water draining, power generation, petroleum, chemical industry, heat supply, metallurgy, medicine, grocery etc. As the throttling and shutting-off equipments. The company adopted international standard for the product designing and manufacturing. The products those of high quality and credible standing are well sold around the country and exported to many countries in Europe, America and Asia.