Production, processing and sales of self-adhesive paper, film and paper products; Sales of printing machinery, plastic products, rubber products, building materials, stationery, metal materials, daily sundries, electronic products, chemical raw materials (except hazardous chemicals, monitoring chemicals, civil explosives, precursor chemicals), hardware products, photographic equipment, advertising materials (except hazardous chemicals), communication equipment, Own house leasing, warehousing (except for dangerous chemicals), business consulting, cold storage leasing (except for food storage), enterprise management, greening engineering, landscape engineering, sports event planning, property management, engaging in goods import and export and technology import and export business. [Projects that must be approved according to law can only be operated after being approved by relevant departments]