Toyo Valve(Shanghai)Co.,Ltd Is located in Shanghai Industrial Comprehensive Development Zone. It is mainly engaged in the research and manufacture of water supply valves, water supply and drainage, building automation, environmental protection and energy saving, HVAC, pressure vessel, Marketing, service as one of the valve business. The introduction of international high-end control valve technology, is committed to high-quality, advanced valves, measurement and control systems of their own R &......