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Twelve Years of Partnership, A New Chapter of Mutual Success | Hilong Group and China Petroleum Pipeline Engineering Sign a New Strategic Cooperation Framework Agreement

2026.08.11More

Hilong Cooperates with Polysoude to Establish a Joint Automatic Welding Laboratory

2014.07.19 More
Hilong Group Designated Model Safe Company by Shanghai City

2014.05.16 More
Hilong Wins PetroChina Projects and Officially Enters Pipe Inspection Business

2014.05.03 More
Hilong Completes Acquisition of Texas Internal Pipe Coating LLC<br/>Laying Solid Foundation for Future Company Development in the United States

2014.04.03 More
Hilong-27 3000HP HPHT Rig Spudded in

2014.03.05 More

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