| Air Variable Capacitors | OEP Oren Elliott Products Inc. | USA |
| Ceramic Capacitors | Yish Electronic Co., Ltd. | PROC |
| Laser Pump Lamps | NST New Sources Technology | USA |
| Power Grid Tubes | BOA Bejing Oriental Electronics | PROC |
| Jinguang Electrical Manufactory | |
| Shuguang Tubes | PROC |
| Xuguang Electronics Co., Ltd. | PROC |
| NVT Nemth Vacuum Tubes | USA |
| VTT Vacuum Tubes Technology | USA |
| Plasma Welder | Multiplaz | RUSSIA |
RF Field Detectors, DSOs,
Spectrum Analyser | GS-Instruments | Korea |
| Vacuum Capacitors | Kushan Guoli Vacuum Electric Co. Ltd. | PROC |
| Vacuum Relais | Wanping Capacitor Imp. & Exp. Co. | PROC |
