Gresgying Digital Energy Technology Co., Ltd, together with its subsidiaries, operates in new energy charging and energy storage, railway transportation, and low-altitude economy businesses in China and internationally. It operates through three segments: Green Energy Smart Charging Railway Operation Company, Green Energy Technology, and Zhongchuang Aviation. The company offers rapid chargers, fast charging stations, ultra-fast charging stations, and various charging system solutions, as well as engages in the development, production, and sale of charging, energy storage, and microgrid products, and the investment, construction, operation, and maintenance of charging and energy management platforms. It also provides railway transportation and operates dedicated railway lines and freight yards, and conducts research, development, production, sale, and service of industrial-grade unmanned helicopters. Formerly known as Shandong Jiangquan Industry Co., Ltd, it changed its name to Gresgying Digital Energy Technology Co., Ltd in May 2022. Founded in 1992, it is based in Linyi, China.