Hunan Zhonghang Landing Gear Maintenance Engineering Co., Ltd. is located at No. 8, Aviation Road, Wangcheng District, Changsha City. The business scope includes aerospace repair, civil aircraft maintenance, aircraft testing equipment manufacturing, aircraft technical support equipment production, mechanical and electrical product sales, information technology consulting services, etc. The company is the only civil aviation landing gear maintenance enterprise in Hunan Province, which fills the gap of aviation maintenance in the province. HLMECO specializes in the maintenance of aircraft landing gear and hydraulic components. Since its establishment, the company has successively completed the maintenance and delivery of landing gear of Boeing 737 and Airbus 320 airplanes.
In 2022, the maintenance of the landing gear of AG600, the first large amphibious aircraft with independent intellectual property rights in China was completed.