http://pastport.jp/user/shinjovalve ja-JP Shanghai Shinjo Valves Manufacturer is specialized in producing various industrial valves and pumps : Ball Valves, Check Valves, Gate Valves, Globe Valves, Plug Valves, Butterfly Valves, Safety Valves, Hydraulic Control Valves, Control Valves, Pressure Re 2021-07-31T22:53:00+0900 http://pastport.jp/user/shinjovalve/timeline/Valve%20technical%20news shinjovalve http://pastport.jp/user/shinjovalve/timeline/Valve%20technical%20news