Main business: Sales: Coal, wood, automobile, hardware, mineral products, crafts, ceramic products, leather products, plastic products, textiles, clothing, bedding, furniture, sanitary ware, building materials, mechanical and electrical equipment, plumbing equipment, refrigeration equipment, heating equipment, computer hardware and software, electronic products, building materials, metal materials (except special control), chemical products And raw materials (except dangerous goods), decorative materials; Food processing (not processed at the premises) and sales; Economic information consulting services, market development and management services, enterprise management consulting, corporate image planning, corporate marketing planning, cultural and artistic exchange planning (except intermediary), conference services, exhibition and display services, design, advertising production; Technology development, technical services, computer hardware and software development, business information consulting, enterprise management consulting, investment management with own funds in the field of electronics (without the legal approval of the financial regulatory department, shall not engage in financial services such as attracting funds from the public, financing guarantee, financing on behalf of customers). Import and export of goods and technologies (except for items prohibited by laws and administrative regulations, and items restricted by laws and administrative regulations can only be operated after obtaining permission). (For items subject to approval according to law, business activities can only be carried out after approval by relevant departments)