Niger Benin crude oil export pipeline project

Nondestructive testing of Daniudi gas field Dongsheng natural gas transmission pipeline project

Bid section IV of nondestructive testing construction of Harbin Shenyang Gas Transmission Pipeline Project (Changchun Tieling Section)

Nondestructive testing project contract of Tieling Jinxi crude oil pipeline double track project (bid section V)

NDT for the eighth bid section of the west section (Horgos Zhongwei) of the third west east gas pipeline project

NDT for the seventh bid section of Zhongwei Guiyang connecting line project (Longxi branch line, Longnan branch line and Tianshui branch line)

Nondestructive testing of Xiangtan Loudi Shaoyang gas supply pipeline project

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