Self-run and agent import and export business of various commodities and technologies; Chemical engineering design, construction, chemical equipment research and development, technical consulting, technical services; Department stores, needles textiles, clothing, hardware tools, outdoor supplies, household appliances, toys, plastic products, bags, household items, decorative materials, craft gifts, building materials, mechanical equipment, electrical equipment, electronic equipment, office supplies, chemical products, dangerous chemicals (according to the dangerous chemicals business license to operate), chemical fertilizer sales; Pesticide, medicine, food sales (must be licensed or approved to operate).