Production、 Sale: medical devices( The second category、 Three types of project operations approved by license)、 Rehabilitation equipment、 health care products、 health foods、 health supplements、 Medical and civilian disinfection equipment and supplies、 Labor protection products、 Plastic raw materials、 Medical packaging and decoration、 Other printed products( Excluding publications)、 Disinfection and sterilization equipment and instruments(II)、 Waste gas treatment equipment、 Air purification equipment、 air filter、 Energy-saving and environmentally friendly products、 Mechanical equipment、 Metal materials、 electrical equipment; Medical purification equipment installation、 debug; Sterilization services( Ethylene oxide); Production、Selling office furniture、 Daily hardware;Computer software and hardware technology、 Computer information system integration services、 Technology development and sales services in the field of electronic products, communications equipment and related products; Medical device technology research and development、 transfer、 Consulting and Services, House disinfection and disinfection technology consulting services; Enterprise Management Services,Corporate Marketing Planning、 Business Services( Excluding financing and investment services), Conference Services, Exhibition services, Human Resources Services, Market Research, design; Logistics and warehousing services、Supply Chain Management Services; House rental、 Machinery and equipment rental; car( Excluding used cars, Including special vehicles) Sales and after-sales of auto parts、 Wholesale and retail of goods; Import and export trade of goods and technology。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)