Electric Butterfly Valve, Electric Ball Valve, Electric Control Valve manufacturer / supplier in China, offering Thread Clamp Connection Stainless Steel 3-Way High-Pressure Electric Ball Valve for Hydraulic Systems, Stainless Steel 316 Metal Seat Threaded Proportional Clamp Control Electric Ball Valve, 4-20mA Signal, for Process Automation, Thread Connection Clamp Electric Ball Valve Stainless Steel 12V DC Fast Response for Laboratory & Analytical Instruments and so on.