Lets Holdings Group Co., Ltd. researches, develops, produces, and sells construction materials in China and internationally. It provides concrete manufacturing and construction services for nuclear power, ports, bridges, tunnels, highways, high-speed rail, subways, water conservancy, and power projects. The company also offers technical construction services including surveying, designing, testing, evaluation, consulting, and training across the life cycle of engineering feasibility study, construction, and operation and maintenance. Additionally, it provides internet-based industry supply chain big data services and builds 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. Formerly known as Xiamen Academy Of Building Research Group Co., Ltd., it changed its name to Lets Holdings Group Co., Ltd. in October 2019. Founded in 1980, the company is based in Xiamen, China.