2017/06/30

West-to-East Gas Transmission Line 3 Insulation Joint

The contract of PN120 DN1200 and PN120 DN400 insulation joints, the project of Zhongjing connecting line of the third west-east gas transmission line undertaken by our company, has completed strength test, sealing test, air tightness test, bending moment test, insulation resistance value test, electrical insulation strength test and coating defect detection.


2017/05/09

The insulation joint for the west-east gas pipeline has entered the installation test stage.

The JYGA-120 PN 12MPa DN1200mm new type of large-diameter insulated joint developed by our company in 2016 is the first time in China to be developed according to the new standard SY/T0516-2016 (our company is one of the new standard-setting units)


2015/04/13

Valve Co-communication

Valve Co-communication