1995

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

1996

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

1999

• 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.

2001

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

2002

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

2003

• 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”.

2004

• 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.

2005

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

2006

• 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.

2007

• Tonghui released TDO1000/2000 series Digital Storage Oscilloscope.

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

2008

• 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.

2009

• 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.

2010

• 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.

2011

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

2012

• 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”.

2014

• 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.

2015

• 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”.

2016

• 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.

2017

• 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 8^th council of China Electronic Instrument Industry Association.

2018

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

2019

• 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.

2020

• 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.

2021

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