Fertilizer production; hazardous chemical production; hazardous waste operations. General items: fertilizer sales; sales agency; domestic trade agency; import and export of goods; import and export of technology; import and export agency; chemical product sales (excluding licensed chemical products); daily-use department store sales; daily-use miscellaneous goods sales; daily necessities wholesale; daily necessities retail; rubber product sales; metal material sales; hardware product wholesale; hardware product retail; building material sales; furniture sales; household appliance sales; stationery retail; stationery wholesale; textile raw materials and product sales; arts and crafts and collectibles retail (excluding ivory and its products); road cargo transportation for ordinary freight vehicles with a total mass of 4.5 tons and below (excluding network freight and dangerous goods).