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As of 2026, Tonghui will operate under the brand name TECHMIZE.
Changzhou Tonghui Electronic Co. Ltd. was founded in 1994. It is a provincial high-tech enterprise integrating R&D, manufacturing and marketing. It is located in the National Development Zone – Changzhou Hi-tech Industry Development Zone with superior geographical position and beautiful natural environment. Covering a land area of 38000 m2 with construction area of 3000 m2. The company has more than 200 employees. More than 75% have college education or above. R&D personnel takes up more than 25% of total employees, and annual R&D investment exceeds 10% of company’s annual revenue.
For the past more than 20 years, Tonghui has been devoting itself to the research and development of electronic measurement instruments. Bearing the faith of technology first, we are struggling to promote the development of domestic measurement instruments and minimize the distance with the world advanced instruments. The company establishes “Changzhou electronic component measuring instrument engineering research center”, which has undertaken the ministry/province/city/district science and technology project for many times, and won the provincial/city science and technology progress award for many times. As a result of years of effort, Tonghui has grown to be a well-known brand in electronic instrument industry.
Now we have developed the following products: Electronic component parameter test instrument, Winding component test instrument, Cable harness test instrument, Electrical safety test instrument, Resistance test instrument, Power electronic testing instrument, Data acquisition/recorder, Digit multimeter, and other instruments, as well as accessories and software products. Tonghui insists to provide users with creative solutions for more efficient measurement and higher product quality. Tonghui has a mature quality control system and strong product manufacturing and quality assurance team, to ensure that the products delivered to customers can meet the unified quality standards.
“To achieve customer satisfaction” is the principle that Tonghui always adheres to. Over the years, Tonghui has been striving to build a multi-level marketing system, integrating direct marketing, agency and network sales. We have also established an after-sales service system in more than 20 provinces and cities in China, which helps better serve our customers, and listen to customers.
At present, the overseas market has become an important part of the development of Tonghui business. Tonghui has gradually integrated the technology and experience accumulated over the years into the international competition system. It has established marketing systems in North America, Europe, Southeast Asia and South Asia and has achieved fruitful results, enabling high-tech products from China to meet the needs of worldwide customers. Meanwhile, we can continue to enrich our experience in the exchange of learning with international counterparts. Looking forward to the future, Tonghui will fully expand overseas resources and realize the same value in all aspects.
In 2015, Tonghui was successfully listed on National Equities Exchange and Quotations (stock code: 833509). With the help of the capital market, Tonghui will open a new chapter of healthy development. Tonghui will always be your reliable friend and always look forward to sharing success and future with you.
In 2026, Tonghui becomes TECHMIZE. This evolution reflects our commitment to better serving international customers and strengthening our premium global presence.TECHMIZE TH26073 HANDLER to PLC Adapter Board for TH2829X Series..
TECHMIZE TH26073A HANDLER Transfer Interface 36 Cores to 9 Cores HANDLER Control Box for TH2810B+..
TECHMIZE TH26075 HANDLER to PLC Adapter Board for TH2882/TH2883 Series..
TECHMIZE TH26075A HANDLER to PLC Adapter Board for TH9110 Series..
TECHMIZE TH26075B HANDLER Adapter Board for 2883S8-5 Series..
TECHMIZE TH26076 Insulation Resistance Test Box for Insulation Resistance Meter Series..
TECHMIZE TH26078 Capacitance Test Protection Box for LCR Series, Test Frequency below 100KHZ..
Features:- Frequency range: DC - 40 MHz- Maximum offset: ±42 V- Applicable to: LCR series, (S..
TECHMIZE TH26611 Test Probe with Four Probes for TH2661..
TECHMIZE TH2683A Insulation Resistance Tester with Test Range from 100KΩ to 10TΩ, Test V..
TECHMIZE TH2683B Insulation Resistance Tester with Test Range from 100KΩ to 5TΩ, Test Vo..
TECHMIZE TH2684 High Precision Insulation Resistance Tester with Test Range from 10KΩ to 50T&O..
TECHMIZE TH2684A High Precision Insulation Resistance Tester with Test Range from 10KΩ to 100T..
TECHMIZE TH2810B+, LCR Meter, Basic accuracy: 0.1%, Frequency: 100Hz, 120Hz, 1kHz, 10kHzMain Feature..
TECHMIZE TH2817B+, LCR Meter, Basic accuracy: 0.1%, Frequency: 50Hz-100kHzMain Features:- Freq: 50Hz..
TECHMIZE TH2817C+, LCR Meter, Basic accuracy: 0.1%, Frequency: 50Hz-100kHzMain Features:- Test Frequ..
TECHMIZE TH2822C, Handheld LCR Meter, Basic accuracy: 0.25%, Frequency: 100Hz, 120Hz, 1kHz, 10kHz, 1..
TECHMIZE TH2822E, Handheld LCR Meter, Basic accuracy: 0.1%, Frequency: 100Hz, 120Hz, 1kHz, 10kHz, 10..
TECHMIZE TH2826, LCR Meter, Basic accuracy: 0.1%, Frequency: 20Hz-5MHzMain Features: -Freq: 20Hz-5MH..
TECHMIZE TH2826A, LCR Meter, Basic accuracy: 0.1%, Frequency: 20Hz-2MHzMain Features: -Freq: 20Hz-2M..
TECHMIZE TH2827A, Precision LCR Meter, Basic accuracy: 0.05%, 20Hz-300KHzMain Features: - Freq:..
TECHMIZE TH2827C, Precision LCR Meter, Basic accuracy: 0.05%, 20Hz-1MHzMain Features: - Freq: 2..
TECHMIZE TH2829-EXT Transformer Test Adapter Board 24 Ways to 24 Ways (To FRC)...
TECHMIZE TH2829-EXT2 Adapter Board In TH2829AX-24, Adapt the Test Fixture used in TH1803..
TECHMIZE TH2829-EXT3 Adapter Board In TH2829AX-24, Adapt the Test Fixture used in TH1901B..
TECHMIZE TH2829-EXT4 Adapter Board In TH2829AX-24, Adapt the Test Fixture used in Zhixin ZX7688..
TECHMIZE TH2829-EXT5 HANDLER Detection Board HANDLER Detection Board..
TECHMIZE TH2829-EXT7 Transformer Test Adapter Board In TH2829NX, 48 Ways to 48 Ways (The Same as TH1..
TECHMIZE TH2829-HANDLER HANDLER Interface Board for TH2829 Series..
TECHMIZE TH2829-SCANNER 24 PIN Scanning Board for TH2829NX..
TECHMIZE TH2829A, Automatic Component Analyzer, Basic accuracy: 0.05%, 20Hz-300KHzMain Features: - F..