- Tangshan Huizhong Wylton Instrumentation Co., Ltd.
- ultrasonic flowmeter, ultrasonic heat(cold) meter, ultrasonic watermeter.
- Address:Qinghua Road, Tangshan, Hebei, China
- Dalian Dayu Instrument Co.,Ltd
- flow meter, ultrasonic flowmeter, water meter, heat meter.
- Address:12-5, Jinhuazhongyuan, Shahekou District Dalian Liaoning 116033 China
- Tangshan Huizhong Instrumentation Co.Ltd
- ultrasonic water meter, heat meter, flow meter..
- Address:Tangshan, Hebei, China