Technology development, consulting, service and transfer of results of computer software; computer system integration; automated control engineering design, contracting and installation; sale of computers and accessories; production and sale of electronic equipment, communication equipment, computer hardware and external equipment; leasing of own housing; export business of the enterprise's own products and technology: operating the import business of raw and auxiliary materials, machinery and equipment, instruments, spare parts and technology required for the enterprise's production and scientific research (excluding the import and export of goods and technology prohibited by the country); operation of input processing and “three to one supplement” business. With the approval of relevant government departments and registration procedures for business, the company may set up additional investment and business projects required for business development and expand the scope of business.