- Wuhan Timewave Iot Technology Co., Ltd
- Lorawan Single Phase Energy Meter, Lorawan Three Phase Energy Meter, Lorawan Smart Water Meter
Hubei
- Huadu Electric Technology Co., Ltd
- Energy Meter, Surge Protector, Current Transformer
Zhejiang
- Romaz Technology Co., Ltd
- Power Quality Analyser; Network Analyzer; Multi Meter
Guangdong
- Shanghai Kongpengyi Electrical Technology Co., Ltd
- Distribution Cabinet Power Meter Power Distrib
Shanghai
- Huangshan AOYI Electrical Appliance Co., Ltd.
- Temperature Controller, Power Regulator
Shanghai