Oil and Gas Technology Services Division

• Commissioning of long-distance oil and gas pipelines, re-routing and connection work, weld reconstruction, nitrogen ball-pushing operations in oil pipelines, and emergency nitrogen-based replacement services for pipeline repairs.

• Commissioning and nitrogen-condition testing services for compressors at natural gas long-distance pipeline booster stations

• Oil and gas field surface gathering and transportation project: Nitrogen purging, displacement, pressure testing, and leak-tightness services

• Downhole Production Enhancement Services for Oil and Gas Fields, Liquid Nitrogen Pump Truck Operation Services

• LNG Receiving Station: Pipeline Drying, Air Tightness Testing, and Liquid Nitrogen Pre-cooling Services for Unloading Pipelines at the Oil Refinery

• City gas pipeline network commissioning and rerouting, nitrogen purging, and auxiliary engineering services for tank inspection

• Natural gas facilities, LNG receiving stations, and sulfur-containing purification plants—nitrogen-helium pressure testing and leak detection projects

Natural Gas Processing Sector

• VOCs Comprehensive Management Services

• Natural Gas Purification and Treatment Services

• CNG Recovery and Processing Services

New Energy Sector

• Trade of industrial gases such as LNG, CNG, liquid nitrogen, and helium, along with hazardous chemical logistics and transportation.