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Why Can We Always Ensure Excellent Quality

Quality Control

Suzhou Tongjin polymer Material Co.,Ltd located in Suzhou of China,nearby Shanghai.Tongjin is a famous manufacture in China for heat shrink material,cold shrink material and pipeline anti-corrosion materia."UPTOGETHER" is our trade mark.We have exporting products to many countries in the world,such as America,Europe,Russia,South American,Middle East etc.There is professional technical staff and production supervisor who can ensure the product quality and meet other demands of customer..

Our heat shrink material series mainly include heat shrink thin wall tube series,heat shrink heavy wall series,heat shrink bus bar tube series,heat shrink power cable accessories series and special heat shrink series.
Our cold shrink material sreires mainly include cold shrink power cable accessories series,cold shrink tube for communication station and silicon rubber insulation product.
Our pipeline anti-corrosion material series mainly is:heat shrinkable sleeves serries,anti-corrosion tape series,cold applied tape series,visco elastic series,which are widely used in oil,gas,petrochemical areas.
Welcome customers come to about business.We will do our best for meeting your requirements.
Make Progress With The Staff, The Customers And The World.

Certification

Suzhou Tongjin Polymer Material Co.,Ltd Certifications
Standard: SGS
Number: SHAEC1829072101
Issue Date: 2019-01-07
Expiry Date: 2021-07-22
Scope/Range: Heat Shrink Tube
Issued By: Technical services(shanghai) com.,ltd
Suzhou Tongjin Polymer Material Co.,Ltd Certifications
Standard: SGS
Number: SHAEC1829072103
Issue Date: 2019-01-07
Expiry Date: 2021-07-22
Scope/Range: Heat Shrink Tube With Adhesive Lined
Issued By: Technical services(shanghai) com.,ltd
Suzhou Tongjin Polymer Material Co.,Ltd Certifications
Standard: SGS
Number: SHAEC1829072102
Issue Date: 2019-01-07
Expiry Date: 2021-07-22
Scope/Range: Silicon Rubber Cold Shrink Tube
Issued By: Technical services(shanghai) com.,ltd
Suzhou Tongjin Polymer Material Co.,Ltd Certifications
Standard: SGS
Number: SHAEC1508119901
Issue Date: 2015-05-11
Scope/Range: EPDM Cold Shrink Tube
Issued By: Technical services(shanghai) com.,ltd
Suzhou Tongjin Polymer Material Co.,Ltd Certifications
Standard: SGS
Number: SHIN1907050188MR
Issue Date: 2019-07-23
Scope/Range: Cold shrink tube
Issued By: SGS-CSTC Standards Technical Service Shanghai CO.,LTD
Suzhou Tongjin Polymer Material Co.,Ltd Certifications
Standard: ISO
Number: 25019Q01654R0S
Issue Date: 2019-09-04
Expiry Date: 2022-09-03
Scope/Range: Cable heat-shrinkable tube,cable cold-shrinkable tube,anticorrosive tape processing
Issued By: ZhongQiu United International Certification(BeiJing)Co.,Ltd
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