Enterprises listed on GEM of Shenzhen Stock Exchange

Shijiazhuang Tonhe Electronics Technologies Co., Ltd.
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Adhering to the entrepreneurial spirit, focus on power electronics


Tonghe Technology stock symbol

1600 +

Existing employees of the company

100 More than

Cumulative patent acquisition

50 Residual term

Software copyright



  • Obtained the national Enterprise Technology Center certification
  • The construction of Xi 'an headquarters has been carried out in an orderly manner
  • 2021


  • To complete 250 million yuan of refinancing, and vigorously promote the industrialization of multifunctional military power supply and the construction of Xi 'an Research and development center
  • Won "China's Outstanding Module Brand in Charging Facilities Industry" and "2021 China's Charging Module Technology Award"
  • 2020


  • Tonghe Technology was awarded "Top Ten Module Brands in China's charging Pile Industry 2020"
  • The first to launch 20kW1000V State grid standard module
  • Refinancing will be launched and the issue of shares to specific targets will be promoted in an orderly manner
  • 2019


  • Completed the issuance of shares to purchase 100% of the shares of Huowei Power, forming the industrial pattern of smart grid, new energy vehicles and special power three business areas
  • First launched in line with the State Grid "six unified" standards of 20kW wide range constant power module
  • Approved by the Defense Science, Technology and Industry Laboratory Accreditation Committee (DiLAC) laboratory review
  • We have accumulated 80 patents and 41 software Copyrights
  • 2018


  • Tonhe charging system won the annual Shijiazhuang top ten industrial famous products
  • The company's sixth generation of high power density 30kW charging module research and development success
  • Play the role of capital platform, purchase Xi 'an Huowei, expand the special power
  • 2017


  • Obtained IATF16949 certification
  • It has been identified as Hebei enterprise Technology Center
  • The test center successfully passed CNAS approval
  • The 20kW charging module has been successfully launched
  • 2015


  • Successfully listed on GEM, stock abbreviation "Tonhe Technology", stock code: 300491
  • 2012


  • Complete the share reform. The company was renamed "Shijiazhuang Tonghe Electronic Technology Co., LTD." and the registered capital increased to 60 million yuan
  • The project funded by the company, "Highly reliable and efficient resonant high-frequency switching power Supply Project", was supported by 19.25 million yuan from the central budget of the National Development and Reform Commission
  • The company was approved as an innovative enterprise in Shijiazhuang City
  • 2009


  • Obtained the invention patent of "soft switch resonant DC-AC inverter circuit"
  • The company moved to the new factory in Tianshan Science and Technology Industrial Park, and determined the core values of "contribution, mutual benefit, efficiency, appreciation, innovation"
  • 2007


  • Through the military product quality system certification committee certification, obtained the "weapon equipment quality system certification certificate"
  • The company won the title of "Excellent high-tech Enterprise"
  • 2005


  • It was identified as a software enterprise by the Information Department of Hebei Province
  • The project of "Highly Reliable and Efficient Resonant High-frequency Switching Power Supply" won the "Science and Technology Award of Hebei Province"
  • 2004


  • Obtained the invention patent of "resonant voltage control type power converter", the company registered the trademark
  • Obtained ISO9001-2000 quality management system certificate
  • Approved by Hebei Provincial Science and Technology Department of high-tech enterprises
  • 2002


  • "High Reliability and high Efficiency Resonant high-frequency Switching Power Supply" project won the "Hebei Science and Technology Achievement Award"
  • Won the "resonant voltage control type power converter" utility model patent
  • Won the utility model patent of "active power factor correction booster"
  • 1998


    Tonghe Electronics was incorporated in Shijiazhuang High-tech Zone




    Tonhe Technology production center is equipped with standard automatic SMT line, automatic solder paste printing and detection instrument, plug-in wave welding line, automatic three-proof spraying line, aging room, advanced technology, complete set, perfect quality assurance. Professional standard: ★ Tonhe Technology production center covers an area of 25,000 square meters ★ Production area of 40,000 square meters ★ More than 200 production personnel Annual output of 500,000 standard sets (sets) ★ The production standard has passed IATF16949 and ISO9001 certification


    Tonghe Technology has a high level EMC laboratory, and through the China National Accreditation for Conformity Assessment (CNAS) certification, through the National Defense Science and Technology Industry Laboratory Accreditation Committee (DiLAC) certification. Technical strength: ★ Tonghe Technology test center covers an area of 4000 square meters ★ Testing area of 3500 square meters ★ Testing experts more than 20 people Construction investment of more than 70 million yuan


    Guided by market demand, Tonghe Technology has invested more than 10% of its operating income in technology research and development in recent years. The company is a national high-tech enterprise, with several R&D platforms, such as National Enterprise Technology Center, Hebei Enterprise Technology Center, Hebei Industrial Design Center, Hebei New energy vehicle electric power conversion Technology Engineering Laboratory, etc. Focusing on the transformation and application of technological achievements, the company has completed more than 40 projects including the National Innovation Fund, the special fund for Central guidance of local science and technology development, the energy equipment investment project within the central budget of the National Development and Reform Commission, the strategic emerging industry project of the Provincial Development and Reform Commission, and the provincial and municipal science and technology plan, and accumulated a large amount of project development and management experience. At present, Tonghe Technology has more than 100 national patents and more than 40 software Copyrights, and a number of technological innovations in the patent declaration.


    Overview of the company

    Overview of the company

    Overview of the company

    Overview of the company

    Overview of the company

    Overview of the company