- Minsen Meter Co., Ltd.
- Main products: Wireless smart water meter , Wireless smart gas meter , Wireless data module , Radio modem , RF transceiver
- Shanghai [Verified]
- Shenzhen Calinmeter Co., Ltd.
- Main products: Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters
- Guangdong [Verified]
- Yueqing JYins Electric Technology Co., Ltd.
- Main products: Multi-function electrical meter series , programmable three phase instrument series , single phase instrument , mini series of products , panel
- Shanghai [Verified]