The business scope includes general business items: Technical development and sales of computer software and hardware, mobile phone application software; Network technology development and technical consultation (excluding the provision of Internet access services); Business information consulting (excluding trust, securities, futures, insurance and other financial businesses); Electronic components, electronic products and peripheral products, digital products and communication products; Leasing and R&D, sales, domestic trade (excluding exclusive, controlled and sold goods) of test instruments, import and export business, on-site maintenance of instruments and equipment, R&D, sales and technical consulting of test systems, and software development (the above excludes items that need to be pre approved and prohibited by laws, administrative regulations, and decisions of the State Council). Domestic trade, import and export of goods and technologies.