Professional anti-seepage solution provider

Tianjin Zhonglian Green Technology Development Co., Ltd. was established in February 2009. It is a national high-tech enterprise, an executive director unit of the China Geosynthetics Engineering Association, and a member unit of the International Geotechnical Materials Association (IGS). The company was formerly known as Tianjin Kerun Huida Nonwovens Co., Ltd. It has been engaged in GCL-related production, scientific research and construction for nearly 20 years since it assumed the task of Tianjin Science and Technology Commission in 2003 and was responsible for the establishment of the GCL production line. At present, the company has two GCL production lines with an annual output of 5 million square meters. The products and services are well recognized by domestic and foreign customers. 
With the continuous development of the company, our company has changed from a single production enterprise to a comprehensive enterprise with simultaneous development of production, scientific research and construction. Our company has professional construction qualifications, and the scope of construction mainly focuses on the management and control of polluted sites, new landfills, ecological closure of landfills, mine environment restoration, river basin ecological restoration, water conservancy landscape anti-seepage, etc. At present, our business covers the whole country. most areas.
The company has always adhered to the enterprise spirit of "Easy and meticulous, but refined and unique", and adhered to the business policy of "survive by quality, lead by technology, and develop by innovation". The company has more than 30 authorized patents and participated in GCL Compilation of national, industry and group standards related to products and application technology, undertook the compilation of books and teaching materials related to GCL products and application technology, and is participating in the research and development of major national special projects, the company's product quality and scientific research strength are highly recognized by industry experts . The company has established production, learning and research bases with relevant scientific research institutes, and is committed to solving the difficult problems of domestic environmental protection, seepage prevention and environmental restoration.


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

Became OEM manufacturer of TENCATE company
GCL supplier of Veolia in France
Tianjin Sino-Singapore Eco-city Island Construction Phase I/II
TENCATE Thailand Bangkok Project

Continuous research and development

Research and development and test of GCL composite vertical anti-seepage barrier technology
Appraised as Tianjin Science and Technology Small and Medium-sized Enterprise
Veolia Foshan City Gaoming District Mingcheng Town Baishi'ao Domestic Waste Sanitary Landfill Project
Inner Mongolia Ordos Duguitala Project
Shanghai Laogang Domestic Waste Disposal Project

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 published
GCL composite vertical barrier technology achieves breakthroughs
The 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 project
The third project: Lingbi project authorization implementation
Participated in the "Technology and Performance of Geosynthetics Second Edition"

Major events of the year

The fourth project: the completion of the project
The fifth project: completion of the Ninghe project
GCL vertical composite anti-seepage barrier scientific and technological achievements identified as international advanced
Obtain environmental engineering construction qualification
Approved as a national high-tech enterprise

Major events of the year

Won two provincial and ministerial-level scientific and technological progress awards
Obtained construction qualifications for municipal general contracting, foundation engineering, etc.
The trademark T-MAT® was approved
to participate in the national key R&D program -Compound pollution diffusion barrier technology in acidified waste rock yard in mining area

Project undertaking and material supply

Ningcheng General Industrial (Class II) Solid Waste Landfill Project
Yijun Domestic Waste Harmless Treatment Project
Lai'an County Informal Waste Dumping Site Remediation Project Vertical Anti-seepage Project
>Vertical seepage prevention project for Bengbu informal waste landfill remediation project
Hong Kong SENT landfill project GCL supply (2020)

Major events of the year

Participated in the publication of the textbook "Geosynthetic Materials"
Participating in the implementation of the specification HG/T20715-2020 "Technical Specification for Vertical Barrier of Industrial Polluted Sites"
Trademarks GCL-PRO®, GCL-PLUS® approved
Undertake the 2021 mid-year inspection meeting of the national major special project 3.1 project
Project undertaking and material supply
Siyang County Domestic Waste Sanitary Landfill Upgrading Project
Vertical seepage prevention project of Huoshan County Domestic Waste Landfill Closure Project
Reshaping and anti-seepage engineering of EBSTSZSX01 project in Suzhou City
Hong Kong SENT landfill project GCL supply (2021)
South Yongzhou Domestic Waste Incineration Power Generation Project Fly Ash Landfill Project

Major events of the year

Included in the National Catalogue of Science and Technology Small and Medium-sized Enterprises
1 authorized invention patent
Undertaking the anti-seepage treatment project of the tailings leachate collection pool in Lijiagou, Dazhou
GCL vertical barrier barrier technology is the first time in the international academic Show at conference

  • 2003
  • 2006
  • 2009-2012
  • 2013-2016
  • 2017
  • 2018
  • 2019
  • 2020
  • 2021
  • 2022


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
  • ISO14001 Environmental Management System
  • ISO45001 Occupational Health and Safety Management System

API service

Provide project whole process service


Assist survey on site & project design


Customized products


Install professional construction team & special equipment

R & D

The company has 32 authorized patents

  • GCL Composite Vertical Barrier
  • Development and production of multi-component GCL
  • 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

Our Partner

Win-win cooperation to create brilliant

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