About

Focusing on house basement water seepage mitigation and dehumidification

Changsha Tongqiang Electronic Technology Co., LTD. (hereinafter referred to as: TQ-EPT Tongqiang Technology) was formally established in February 2014 with a registered capital of 10 million. The company is located in Changsha Innovation Design Industrial Park. It is a technology-based company integrating R&D-production-domestic sales-export-service. At present, the company has obtained a number of national invention patents, national high-tech enterprise certification, EU CE certification, and the qualification of small and medium-sized scientific and technological enterprises from the Hunan Provincial Government. The editor-in-chief of the national construction industry standard CECS electroosmotic pulse technology.

After more than ten years of professional technology research and development and practice, the TQ-EPT electroosmotic pulse impermeable dehumidification system has been successfully developed. The system applies cloud space and Internet of Things technology to achieve intelligent, digital, remote detection, control and maintenance functions. The company has been committed to providing customers with professional moisture-proof and dehumidification solutions to ensure dryness, moisture-proofing, and dehumidification in important places such as buildings, warehouses, and archives. The main business scope includes building moisture-proof and dehumidification, underground space moisture-proofing, research on building moisture-proof materials, and the design and construction of moisture-proof projects.

In addition, the company is actively tracking the development of upstream technical requirements of major construction and home furnishing brands, and the first development investment has begun to bear fruit. Our newly established ecological chain makes the application scenarios not only stay in basements, tunnels and subways, but also can be widely used in precise small-scale scenarios such as elevator foundation pits and high-end building exterior walls.

The company has established close cooperative relations with National University of Defense Technology, Hunan University, Central South University of Forestry and Technology, Hunan Academy of Water Conservancy and Hydropower Research, China Academy of Architecture Research, China Comprehensive Survey and Design Institute and other units. Jointly develop the application of electroosmotic pulse technology in military engineering, water conservancy intelligent flood control and disaster reduction, cultural relics protection, land heavy metal pollution control, oil exploitation and other fields.

TQ-EPT Tongqiang Technology is now the only domestic enterprise that realizes the export of products in this technical field, and is committed to becoming a global benchmark enterprise in the field of anti-seepage and moisture-proof technology.


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Serving Fields

Under the company's great mission and vision, TQ attracts a lot of excellent experts and professors in fields like structural engineering, civil engineering, physics,etc.

Honor & Certifications

Development History

Future,New Journey.
In 2024

- Implementation of the national construction industry standard "Technical Specification for Reinforcement of Underground Spaces in Existing Buildings" as the editor-in-chief.
- Initiation of the certification for military secrecy qualifications.
- Completion and commissioning of the electro-osmotic pulse dam seepage prevention model in Hunan Province for scientific research.
- Collaboration with China Railway Construction Corporation on frost heave prevention experiments in cold regions, with electro-osmotic pulse technology showcased at the national small hydropower conference.
- Completion of construction and data research for the frost heave disaster prevention experimental section in Luozha, Tibet.
- Participation in the preparatory work for the revision of the national "Technical Standard for Seepage Control in Underground Engineering," with the technology promoted at the Hunan Province small hydropower conference.
- Signing of a provincial major scientific research agreement with the Hunan Provincial Hydropower Research Institute.

In 2023

- Five national invention patents have been authorized for R&D results

(A dehumidification method based on electroosmotic pulse)

(An electroosmotic pulse impermeable dehumidification system and method thereof)

(A multi-point electrode layout system for electroosmotic pulse impermeability dehumidification system)

(A positive pole grouping arrangement method for electroosmotic pulse impermeability dehumidification system)

(an electroosmotic pulse waveform generator)

- Signed a strategic cooperation agreement with Beijing Integrated Construction Technology

- Participate in Shanghai International Villa Supporting Facilities Expo


In 2022

- Tongqiang Technology was recognized as a high-tech enterprise

- Reached strategic cooperation with Liansu

- The company's new production line is put into operation to stimulate new vitality

- The new H-type host is successfully developed

- Participating in the Pattern pension industry Expo

- Participate in Hunan-ASEAN CIFIT Fair

- Participating in the 24th Hi-Tech Fair


In 2021

The development of the 4th generation AI customized Control Unit succeeded.

In 2020

-Development on the 4th generation AI intelligent Control Unit succeeded and two models of small Control Unit launched. 

-Gained a lot of qualification certificates, like Intellectual Property certificates, CE certificate,patent certificates,etc.

-the Brand TQ-EPT established.


In 2019

- The third generation of mainframe was successfully developed (data display was added)

- Brands increase investment in market operation

- The company entered a stage of rapid development


In 2018

-the 2nd generation EPT Control Unit launched.

-Our Founder Mr.Xie Xiangzhi was interviewed as guest in the programme News and Science, Hunan TV.


In 2015

-Participated in the construction of the 1st Subway in Changsha(from Huang Xing Square to Hou Jiatang with a distance of 1.3KM) by providing technical support on subway waterproofing.

-Took part in national technical exchange of  Electroosmotic pulse water seepage mitigation.


In 2014

-Changsha Tongqiang Electronic Technology Co.,Ltd.(TQ) was established.

-Participated in tunnel waterproofing project of Liuyang River,Xiang Jiang Road.


In 2013

The 1st generation EPT Control Unit

In 2010

The Founder initiated the research on Electroosmotic pulse 

technology(EPT) for water seepage mitigation and dehumidification.

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