SIM Technology Group Limited, an investment holding company, primarily designs, develops, manufactures, and sells handsets and Internet of Things (IOT) terminals in the People's Republic of China, Europe, the United States, and other Asian countries. It operates through Handsets and IOT Terminals Business, Electronics Manufacturing Services Business, and Property Management segments. The company also offers electronic manufacturing services, as well as logistics, procurement agency, administrative, and finance leasing services. In addition, it engages in the sale of goods to vending machine customers; building design and construction of smart homes; trading of snacks; development of automated test equipment; and holding of land use rights. Further, the company develops, rents, and manages properties. SIM Technology Group Limited was founded in 1986 and is headquartered in Shanghai, the People's Republic of China.