Ultrasonic Water Meter, Heat Meter, Gas Meter manufacturer / supplier in China, offering Movafafh 3/4" Motorized Ball Valve with Function - 9-24V DC Full Port Electric Water Valve, 3 Wire 2 Point Electrical Ball Valve, Stainless Steel, 2 Way 1/2" DN15 Modbus Communications RS 485 Modulating UPVC Proportional Valve, Factory Wholesale Stainless Steel Electric Actuated Ball Valve Motorized Ball Valve for Water Control and so on.