Lanzhou LS Group. [Photo/Gansu Daily]

Established in 1953, Lanzhou LS Group has built a remarkable legacy over its 70-year history. The group independently developed and manufactured China's first oil drilling rig, among other advanced equipment, and has mastered core technologies for ultra-deepwater marine drilling rigs capable of reaching depths of 12,000 to 15,000 meters. 

With multiple proprietary process packages in oil refining, petrochemical, and coal chemical sectors, LS Group stands as one of China's earliest, largest, and most comprehensive energy equipment solution providers.

It is engaged in a wide spectrum of fields, including refining and chemical engineering, coal chemical processing, high-end pressure vessels, heavy forging equipment, plate heat exchangers, nuclear power, and new energy systems. Offering integrated services in everything from R&D and design to manufacturing, installation, and technical support, LS Group continues to lead the industry with innovation and reliability.