Xiangsu products, xiangsu machinery research and development, manufacturing; Technical research and development, technical consultation, technical service and technology transfer in the field of automation technology and computer; Manufacturing and processing of rubber and plastic products and raw materials, mechanical equipment and accessories, molds and testing equipment; Auto parts, hardware products, household appliances, instruments and meters, chemical raw materials (except dangerous goods) sales. Self-support and agency of import and export business of all kinds of commodities and technologies (except commodities and technologies that are limited to enterprises or prohibited from import and export by the state) (business activities can only be carried out after the approval of relevant departments for projects requiring approval according to law)