Hunan Lanqige Gas Co., Ltd. is a large-scale industrial gas production enterprise specializing in oxygen, nitrogen, argon, dissolved acetylene, propane, natural gas, carbon dioxide, medical oxygen, and high-purity gases. The company has been a member of the Welding and Cutting Gas Professional Committee of the China Industrial Gases Industry Association (CIGIA) for 15 years. It owns two subsidiaries, including one wholly-owned and one majority-controlled. It is a designated gas supplier for major companies such as TBEA Co., Ltd., Hunan Valin Steel Tube Co., Ltd., Fengshun Axle Co., Ltd., Nanyue Electric Control Co., Ltd., China Railway Group Limited, and Tellhow Communication Co., Ltd. With over 20 years of experience in supplying industrial gases, it has established a strong market presence, a solid reputation, and a professional distribution service network. It is the largest industrial gas enterprise in South Central China and ranks fifth nationwide in the industry.

On October 10, 2017, Lanqige Gas commenced the construction of its project in the Songmu Economic Development Zone, with a total investment of 300 million yuan, covering an area of 65 mu. Upon reaching full capacity, the project will have an annual filling capacity of 7,200 tons of natural gas and 6,000 tons of propane, as well as an annual sales volume of 2.3 million cylinders of liquefied oxygen, nitrogen, argon, carbon dioxide, acetylene, and other industrial gases. The company will provide various industrial gas services to large and medium-sized enterprises in the chemical, electronics, steel pipe, and building materials industries in the zone and the city.