Electric Butterfly Valve, Electric Ball Valve, Electric Control Valve manufacturer / supplier in China, offering AC220V DN20 Electric Flanged Ball Valve with Emergency Manual Override & Weatherproof Enclosure for Outdoor Installations, Industrial Electric Motorized Thread Ball Valve with ISO 5211 Mounting Pad and Position Indicator for Process Control, Pn16 UPVC Pressure Rated Induatrial Electric Flanged Ball Valve with SS304 Body & Visual Open/Close Indicator and so on.