CYG Changtong New Materials Company Limited (for short, CYG Changtong) was established on May. 8, 2000.  CYG Changtong is a state-level high-tech enterprise integrating R&D, production and sales of pipeline corrosion protection materials as well as buried pipeline detection service and pipeline coating field application service into one.


CYG Changtong devotes itself to R&D, production and sales of pipeline corrosion protection materials for decades. CYG Changtong is the first one to develop and launch the dry film heat shrinkable tape products in the domestic market. CYG Changtong becomes the largest supplier of field joint coating for years in PetroChina, Sinopec and local pipelines and its market share is more than 30%. Furthermore, CYG Changtong has successfully developed and introduced a number of specialty corrosion protection materials such as visco-elastic anticorrosion materials, heat shrinkable pressure sensitive tapes, special epoxy FRP for horizontally directional drilling (HDD) protection, special photo-curing sleeve for HDD protection and polyurea coating. By good cooperation with leading R&D institutes such as CNPC Pipeline Science Research Institute, CYG Changtong is capable to provide in-service pipelines with varied technical service such as buried pipeline detection, design scheme, cathodic protection, rehabilitation project and an integrated solution for the safety protection of pipelines.   

Enterprise Honor in CYG Changtong:

Member of Council in Chinese Society for Corrosion and Protection (CSCP)

Qualification Certificate of Corrosion Protection Construction

Qualification Certificate of Pipeline Detection

Well-known Brand of Pipeline Corrosion Protection in China

Corporate Member of China Association of Petroleum Engineering Construction (CAPEC)

State-Level High-Tech Enterprise with more than ten proprietary intellectual property rights

Stable supplier of PetroChina

Stable supplier of Sinopec

Supplier of CNOOC, China Gas Group, Indian Oil, Petronas, Malaysia Gas, etc.

Winner of “Award of Standing Together Regardless of Situation”

Principal supplier of corrosion protection materials in a number of large projects such as West-East Natural Gas Transmission Project 2nd Pipeline, West-East Natural Gas Transmission Project 3rd Pipeline, Sichuan-East Natural Gas Transmission Project and Russia-China Crude Oil Transmission Project Mohe-Daqing Pipeline,Halfaya Oil Field, Missan Oil Field, Block 9.  

High-temperature resistant 80 heat shrinkable tape has been tested and certified by DVGW.

Both pipeline heat shrinkable materials and visco-elastic anticorrosion tape and paste win the works approval and products certification by China Classification Society (CCS)

CYG Changtong has passed and obtained ISO 9001 Quality Management System certification, ISO 14001 Environment Management System certification, OHSAS 18001 Occupation Health Safety Management System certification.