General projects: Medical research and experimental development, sales of Class I medical devices, sales of Class II medical devices, sales of chemical products (excluding licensed chemical products), research and development of biochemical product technology, sales of specialized chemical products (excluding hazardous chemicals), sales of daily chemical products, import and export of goods, technology import and export, import and export agency, sales of packaging materials and products, sales of plastic products, sales of paper products, Sales of daily necessities and mechanical equipment. (Except for licensed business, projects that are not prohibited or restricted by laws and regulations can be independently operated in accordance with the law)