- Braintek Electronics Co., Ltd.
Taiwan, China. Manufacturer of machine step counter, timer, stop watch, temperatures, calorie meter, distance meter. - DER EE Electrical Instrument Co., Ltd.
Taiwan, China. Manufacture of digital multitester, thermometer, sound level meter, panel meter, shunt, current transformer, VU meter, pocket multimeter. - Hong Kong Texas Co., Ltd.
China. Manufacturer of multimeter, digital oscilloscope, digital logic analyzer and test clip kit. - Wenzhou Sdar Electronic Instruments-
China. Manufacturer of pocket multimeter, clamp meters, insulation, battery tester, educational meter, tester, lamp sockets, digital meters.
