Haoersai Technology Group Corp., Ltd. designs, constructs, procures, operates, maintains, and sells lighting engineering products in China. The company offers smart light poles that are applied to various scenarios, including national events, landmark buildings, super high-rise buildings, gyms, city renovation, municipal roads and bridges, interior space, and health lighting; and smart tourism includes dream static scenes, dream walking and viewing, dream tour, dream entertainment and sightseeing, and dream arts. It also provides smart city and town, digital village, smart parking and security, and smart sanitation solutions; and HAO platform offers smart consulting and planning, smart design, smart management and operations. In addition, the company engages in smart energy, which includes intelligent and efficient transportation energy replenishment and one- stop solutions based on a comprehensive management and service system. The company was formerly known as HES Technology Group Co., Ltd. and changed its name to Haoersai Technology Group Corp., Ltd. in May 2020. Haoersai Technology Group Corp., Ltd. was founded in 2000 and is headquartered in Beijing, China.