Chemical product sales (excluding licensed chemical products); specialty chemical product sales (excluding hazardous chemicals); petroleum product sales (excluding hazardous chemicals); daily chemical product sales; laboratory analytical instrument sales; valve and cock sales; special equipment sales; hardware product retail; office supplies sales; office equipment consumables sales; household appliance retail; daily necessities sales; labor protection supplies sales; machinery and equipment leasing; metal packaging containers and materials manufacturing; loading and unloading; road freight transport of general cargo vehicles with a total mass of 4.5 tons and below (excluding network freight and dangerous goods). Licensed items: hazardous chemicals operation.