Ultrasonic Water Meter, Heat Meter, Gas Meter manufacturer / supplier in China, offering Stainless Steel 2-Way Electric Ball Valve with Actuator, Flowarvel Motorized Ball Wakve, Electric Water Vale with Full Port, 220V AC 2 Wire Auto Return Stainless Steel Ballvalve, Motorized Bal Valve -Brass-2 Wire Auto Return Electric Water Valve Normally Closed with Full Port 12V DC and so on.