ABOUT US
Professional anti-seepage solution provider

HISTORY
Tianjin Zhonglian Green Technology Development Co., Ltd. was established in February 2009

Company predecessor was founded
Developed a GCL production line and identified it through scientific research

Participated in the publication of industry standards
Published industry standard JG/T 193-2006 released

Zhonglian Gelin was formally established
Tianjin Zhonglian Gelin Technology Development Co., Ltd. was established

Quality standards passed international certification
Passed the British Lloyd's ISO9001 and CE certification/ Become TENCATE OEM supplier

Continuous research and development
GCL conforms to vertical anti-seepage barrier development and testing

Receive government rating
Awarded Tianjin Science and Technology SMEs

Major events of the year
The product was selected as "2017 Water Conservancy Advanced Practical Technology Key Promotion Guide Catalogue"The national standard GB/T 25470-2017 was publishedObtained the first GCL composite vertical barrier invention patentThe first GCL composite vertical anti-seepage engineering application:Jinghai Dongcheng Landfill Project

Major events of the year
The second project: the completion of the Dingyuan projectThe third project: Lingbi project authorization implementationObtained the second GCL vertical anti-seepage invention patent authorizationParticipated in the "Technology and Performance of Geosynthetics Second Edition"

Major events of the year
The fourth project: the completion of the projectThe fifth project: completion of the Ninghe projectApplication for high-tech enterprises (municipal high-tech has been approved)GCL vertical composite anti-seepage barrier scientific and technological achievements identified as international advancedObtain environmental engineering construction qualification

Major events of the year
Approved as a national high-tech enterpriseWon two second prizes of provincial and ministerial level scientific and technological progressObtained construction qualifications for municipal general contracting and foundation engineeringParticipated in the national key research and development project-the composite pollution diffusion barrier technology of the acidified waste rock yard in the mining area
- 2003
- 2006
- 2009
- 2012
- 2012-2017
- 2015
- 2017
- 2018
- 2019
- 2020
QUALITY CONTROL
Product quality has reached the
international advanced level

- ※Use high quality sodium bentonite
- ※Select US imported needle
- ※Select high quality sodium bentonite
- ※Select high quality plain weave textile
- ※ISO 9001 certificated by Lloyd’s Register
- ※CE marked certificated by Lloyd’s Register

API service
Provide project whole process service

Assist
Produce
Install
R & D
We have obtained 18 patents about horizontal and vertical anti-seepage products and technologies.
- GCL composite vertical anti-seepage barrier technologies
- Highway-specific enhanced GCL research and production
- Research on PRB permeable reaction wall
- Study on anti-seepage and isolation performance in different PH condition
- Research on anti-seepage and adsorption and isolation performance in heavy metals and sewage and other environments
- Research on product durability and ecological performance under natural conditions
