SIM Technology Group Limited, an investment holding company, designs, develops, manufactures, and sells handsets and Internet of Things (IOT) terminals in China, Hong Kong, other Asian countries, Europe, and the United States. The company operates through Handsets and IOT Terminals Business, Automotive Intelligent Products Business, and Property Management segments. It also offers electronic manufacturing and finance leasing services. In addition, it engages in the building design and construction of smart homes; trading of snacks; property development; development of automated test equipment and online-to-offline equipment; and holding of land use rights.