The registration authority for the sale of electrical equipment, equipment, electrical cables, security equipment, machinery equipment, fire protection equipment, instrumentation forms, chemical products (except dangerous chemicals), general labour supplies, office supplies, furniture, communications equipment, electronics, metal materials (except rare metals), hardware products, construction materials, decorative materials (except hazardous chemicals), hydropower equipment, lighting equipment, rubber products, computer hardware and hardware and peripheral support equipment, day-to-day goods, and the sale of household appliances; electrical cables, hardware and equipment, hardware and equipment, hardware and equipment, electrical equipment, environmental equipment, electrical equipment, lighting equipment, fire protection equipment and equipment. (projects subject to legal approval may not operate without the approval of the relevant department)