Cases

From 2022 to 2023, Changyuan Changtong New Materials Co., Ltd. supplied a total of 20,994 sets of FRDP 1219×520/2.7 mm radiation cross-linked polyethylene heat-shrinkable tapes (matched with 200-micron dry-film primer) for the West-to-East Gas Transmission Pipeline Line 3 (Henan-Hubei Section).

The FRP anti-corrosion project for the Lianyungang-Taixing section of the China-Russia Eastern Gas Pipeline undertaken by the Construction Project Management Branch of PipeChina Group Co., Ltd. has been completed. A total area of 3,442 square meters of φ1219mm fiberglass reinforced plastic (FRP) was applied, and the contract performance is satisfactory.

For the optical cables laid alongside the approximately 24-kilometer natural gas pipeline between Chengbei Gas Transmission Station under South China Natural Gas Sales Center and Zhanjiang Gas Transmission Station of PipeChina, it is necessary to accurately detect the cable route and burial depth to carry out rectification and protection measures.