About Us



  • Tonghui electronic equipment company in Changzhou high and new tech development zone was established.


  • Tonghui obtained the license for manufacturing measuring instruments issued by Changzhou bureau of quality and technical supervision.


  • Tonghui released the first LCR Meter TH2811 and entered into the impedance measurement field.


  • Tonghui obtained “Measuring Instruments Quality Advanced Enterprise” title from Jiangsu provincial bureau of technical supervision.

  • Tonghui company was renamed as “Tonghui Electronic Limited company”.

  • Tonghui obtained 50-year use right of 6,000m2 land in Tianshan road, Changzhou high-tech zone.


  • Tonghui moved to the new factory with total covered area of 2200m2 on No.3, Tianshan Road, Xinbei District, Changzhou.


  • Tonghui passed the ISO9000:2000 Quality Management System Certification.


  • The company acquired the land as well as the affiliated buildings of No.1 Tianshan road, and integrated them with the existing plant area, the whole area was expanded to 1400m2 with construction area of 8200m2.

  • Tonghui was assessed to be “New & Hi-tech Enterprise” by Science and Technology Department of Jiangsu Province.

  • Tonghui was accepted as a fellow member of “China Electronic Instrument Industry Association”.


  • TH2818 automatic component analyzer won the second prize of “Changzhou Science and Technology Progress Award”. At the same time won the “Jiangsu Province Science and Technology Progress Award” third prize.

  • Tonghui was awarded the “Top ten private-owned New & Hi-tech Enterprise in Changzhou Hi-tech District”.

  • Tonghui introduced TH2828 series 1MHz Precision LCR meter with high performance which is comparable with the world advanced instrument.


  • TH2828 Precision LCR meter has been identified as “Key Science and Technology Project of Jiangsu Province”.


  • Tonghui developed TH1961 6 ½ Digital Multi-meter, and was identified as “Changzhou Key Science and Technology Project”.

  • Tonghui was rated as “Credit Integrity Enterprise” by Changzhou Bank Association.


  • Tonghui released TDO1000/2000 series Digital Storage Oscilloscope.

  • Won the title of “2007 Customer the Most Satisfied Test Instrument Supplier”.  


  • Tonghui established a routine laboratory, the products of mechanical, temperature, humidity, safety, power adaptability, electromagnetic compatibility and other performance indicators can be tested completely.

  • Tonghui acquired CMMI software management international certification.


  • Tonghui was identified as “Hi-tech Enterprise of Jiangsu Province” again according to the new standard.

  • Tonghui obtained the self-support import and export right.

  • Tonghui ”was awarded “Jiangsu famous-brand products” by Jiangsu Quality Supervision and Management Committee.


  • Tonghui won the title of “2009 Customer most satisfied test instrument supplier in electronic transformer industry”.

  • Tonghui won the “Top 10 most influential brands” of electronic industry in the first industrial product selection by Tianzun.


  • Tonghui was given the title of “Engineering Technology R&D center on Electronic Component Measurement Instrument of Changzhou City”.


  • Tonghui achieved shareholding reform and was renamed as Changzhou Tonghui Electronic Co., Ltd.

  • TH2141 pulse peak voltmeter won the “2012 Electronic Measuring Instrument Product Digital Voltmeter/Multi-meter Product Design Award”.


  • Dongguan Tongxuan Electronic Technology Limited Company and Suzhou Jingshan Science Equipment Limited Company were established as Tonghui’s subsidiary corporation.

  • Tonghui was awarded as “Star Enterprise of CEF” by the organizing committee of China electronics Fair.

  • The grand 20th anniversary ceremony was held.


  • Tonghui was listed on the new third board (Enterprise abbreviation: tonghui electronics; Stock code: 833509).

  • TH2826 series high frequency LCR meter won the second prize of “Changzhou Science and Technology Progress Award”.


  • Tonghui was awarded by Changzhou administration for industry and commerce “Respect the contract and Credit Integrity Enterprise” title.

  • Tonghui’s trademark was recognized as a well-known trademark of Changzhou.


  • Tonghui was awarded “2017 Changzhou innovation and entrepreneurship competition” the first prize.

  • Tonghui was funded by the special fund of the transformation of scientific and technological achievements of Jiangsu province.

  • Thonghui was elected as vice chairman of the 8th council of China Electronic Instrument Industry Association.


  • won the third prize of the 2018 Jiangsu Science and Technology Award.


  • it was once again recognized as "High-tech Enterprise in Jiangsu Province".

  • The second prize of the 2019 Changzhou Innovation and Entrepreneurship Competition.

  • Second Prize of China Machinery Industry Science and Technology Award.


  • it was rated as an excellent company in Tengyun driving number.

  • Power electronic tester was recognized as a special new product in Jiangsu Province.

  • The research and development of energy feedback programmable high-power DC power supply won the third prize of the 2020 Changzhou Innovation and Entrepreneurship Competition.

  • "TH2839 Precision Impedance Tester" product was identified as the major equipment and key components of Changzhou in 2020.


  • Tonghui will be listed for trading on the selected layer of the National Equity Exchange System on January 11, 2021.