Ultrasonic Water Meter, Heat Meter, Gas Meter manufacturer / supplier in China, offering CPVC Plastic Flomarvel 2-Way Motorized Valve Corrosion Prevention (1/2" to 3/4"), Electric 3-Way Rotary Actuator Ball Valve for Water Mixing, Flomarvel SS304 2-Way Full Port Motorized Ball Valve Failsave and so on.