Electric Butterfly Valve, Electric Ball Valve, Electric Control Valve manufacturer / supplier in China, offering Quick Release Motorized Switch Actuator for Brewery Filling Valves, Grat HVAC System 20nm 24V Fast Running Electric Modulating Control Damper Motorized Actuator with Auxiliariy Switches, Explosion-Proof Electric Ball Valve with ATEX/Iecex Certification for Hazardous Zone 1 & 2 Applications and so on.