Wholesale and retail of textile, labor protection supplies, clothing, daily necessities, stationery, hardware products, metal materials, chemical products (except hazardous chemicals and precursor chemicals), arts and crafts, wood, machinery and equipment, first-class medical machinery, Marine equipment and accessories, life-saving equipment, fire fighting equipment, lubricating oil, fuel oil, communication equipment; Delivery service (excluding express delivery); Marine technology, ship construction consulting services. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments).