Refrigeration Valve manufacturer / supplier in China, offering Cast Steel Pilot-Operated Pressure Control Valve – High-Pressure Pilot Valve for Industrial Pressure Regulation, Cast Steel 3-Way Globe Ammonia Solenoid Valve – High-Pressure Refrigeration/AC Solenoid Valve, Cht15 Precision Forged Right Angle Check Valve – Hydraulic High-Pressure Non-Return Valve and so on.