Paint bucket & General items: Plastic products manufacturing; Sales of plastic products; Manufacturing of plastic packaging boxes and containers; Sales of daily sundries; Manufacturing of metal packaging containers and materials; Sales of metal packaging containers and materials; Sales of Class I medical devices (except for projects that require approval according to law, activities are carried out independently in accordance with the business license) Permitted items: Printing of packaging and decoration prints (projects that require approval according to law can only be carried out after being approved by the relevant departments, specific business items are subject to the approval documents or permits issued by the relevant departments)