To operate and act as an agent for the import and export of various commodities and technologies, except for the commodities and technologies that are restricted or prohibited by the state; Operation of processing with imported materials and "three supplies and one compensation" business; To engage in counter trade and entrepot trade; Sales: Silk Commodities, textile machinery and equipment, light industrial machinery and equipment, instruments and meters, metal materials; Automobile sales; Production, processing, design and development (production and processing are limited to branches): Textiles, tatting, cotton knitting, wool knitted clothing, fabrics and accessories; Lease of self owned property rights, lease and sale of self owned real estate, and lease of advertising facilities; Canteen management service and catering service; Sales: Electronic products, communication equipment, communication equipment, computers, software and auxiliary equipment, household appliances; Computer system services, information technology, automation control system, security monitoring system, remote conference system, LED lighting system technical consultation, technology transfer and product sales. (for projects subject to approval according to law, business activities can only be carried out after approval by relevant departments)