Ultrasonic Water Meter, Heat Meter, Gas Meter manufacturer / supplier in China, offering Flomarvel Smart Quick Action Control Valve for Water Motorized Ball Valve, Flomarvel Mini Water Automatic Shut off Op04 DC9 24V Electric Brass Ball Valve DN8 DN15 DN20, Electric 2 Way UPVC Ball Valve on off Motorized Actuator Water Flow Control Ball Valve Mobile Control Valve and so on.