Technology development; technology transfer: technical consultation: computer technology training: technical services: economic information consulting: undertake computer network engineering: sales and development of products, computer hardware and software and peripherals, mechanical and electrical equipment, office equipment, electronic components. Enterprises shall independently select business projects and carry out business activities according to law: projects approved according to law shall be carried out according to the approved contents after approval by the relevant departments: they shall not engage in business activities of projects prohibited or restricted by the industrial policy of this municipality.