YANCHENG TONGSHANG VALVE CO., LTD. is a leading manufacturer of industrial valves in China. Tongshang Valves has been in valves line since it was founded in 1992. From the first beginning, Tongshang Valve is an export-oriented manufacturer, producing valves completely as per international standards and selling them well in world markets. Today, more than 90% of our valevs are exported to Western European countries, North America, Japan, Middle East of Asia, Australia, etc.