WALWORTH阀门种类：
Valves：
Gate, Globe & Check
BallButterfly
Dual Plate Wafer
Check Valve
Plug
Safety and Relief
Through Conduit
应用行业：
Cryogenic and LNG
Geothermics
Oil & Gas
Petrochemical
Power Generation
Pulp and Paper
Water Management
深圳前海众合恒达科技有限公司/李工
