Lets Holdings Group Co., Ltd. engages in the research and development, production, and sale of construction materials in China and internationally. It provides concrete manufacturing and construction services for the nuclear power, ports, bridges, tunnels, highways, high-speed rail, subways, water conservancy, power and other engineering projects. The company also offers technical construction services, such as surveying, designing, testing, evaluation, consulting, and training for the life cycle of engineering feasibility study, construction, and operation and maintenance. In addition, it provides internet-based industry supply chain big data services; and construction of a science and technology innovation system, as well as BIM- based building information and industrialization of intelligent system services comprising Internet of Things, cloud computing, big data, and 5G. Lets Holdings Group Co., Ltd. was formerly known as Xiamen Academy Of Building Research Group Co., Ltd. and changed its name to Lets Holdings Group Co., Ltd. in October 2019. The company was founded in 1980 and is based in Xiamen, China.