- Zhejiang Shuang'an Instrument Technology Co., Ltd.
- Pressure Gauge, Thermometer
Zhejiang
- Cold Valley Intelligent Technology (Shanghai) Co., Ltd.
- Transmitter, Battery, Valve, Movicon, Pressure Transmitter, Temp Transmitter, Lever Transmitter, Radar Transmitter, Flow Transmitter, Wireless Transmitter
Shanghai
- Ninghai Hongxiang Copper Industry Co., Ltd
- Brass Valves, Brass Fittings
Shanghai
- Beijing Jiaval International Technology Co., Ltd.
- Back Pressure Regulator, Pressure Reducing Regulator
Beijing
- Hunan Wofly Technology Co., Limited
- Diaphragm Valve, Compression Fitting, Tube Fitting, Pressure Regulator, Check Valve, Ball Valve, Gas Box, Gas Exchange System
Hunan
- Zhejiang Taian Valve Co., Ltd
- Valve
Zhejiang