Rentian Technology Holdings Limited, an investment holding company, primarily provides integrated Internet-of-Things (IoT) solutions to enterprise customers in the People's Republic of China and Hong Kong. The company operates through four segments: IoT Solution, Human-Machine Interactive Devices, Intelligent Documentation Service, and Securities and Other Investment. It designs, manufactures, and distributes printers, terminals, and point-of-sales electronic products, as well as provides related services under the Start brand name.