
- SanShine Electronics (Xiamen) Technology Co., Ltd.
- Winding Machine, Transformer Tester, Testing Instruments, Amorphous Ribbon Core Making Machine, Toroid Coil Winding Machine, Electric Industrial Oven, Varnish Vacuum Impregnation Machine Vpi, Wire Stripper and Cutting Machine, Soldering Pot Tinning Machine, Lcr Hi-Pot Insulation Tester
Fujian

- HV Hipot Electric Co., Ltd.
- Transformer Testers, Partial Discharge Test System, Insulation Tester, High Voltage Test Set, Switchgears Test Set
Hubei

- Xian XZH Electric Power Technology Co., Ltd.
- Cable Fault Locator, Transformer Tester, Ac Dc Hipot Tester, Ground Tester, High Voltage Circuit Breaker Analyzer
Shaanxi

- Tunkia Co., Ltd.
- Magnetic Measurement, Electrical Measurement, Gaussmeter, Multifunction Calibrator
Hunan

- Nanjing Daoce Electronics Co., Ltd.
- Instruments
Jiangsu

- Beijing W&F Technology Co., Ltd.
- Fiber Optical Fusion Splicer, OTDR, Optical Power Meter, Fiber Cleaver, Visual Fault Locator, Handheld Spectrum Analyzer, Ethernet Cable Tester, Underground Cable Fault Locator, Fiber Tools
Beijing

- Changchun Intelligent Instrument Equipment Co.,Ltd.
- Material Testing Machine, Torque Rheometer, Voltage Breakdown Tester, Capillary Rheometer, Melt Flow Index Tester
Jilin

- Hebei Luman Filter Parts Co., Ltd.
- Filter Machine, Filter Equipment, Filter Materials, Filter, Filter Parts, Air Filter Frame, Filter Paper, Filter Making Machine, Filter Production Line
Hebei