Licensed Projects: Import and export agent, Class III medical device operation, Class III medical device leasing, Medical Device Internet Information Service( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business items are subject to the approval results.) General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Disinfectant sales( No hazardous chemicals), Bio-based material sales, Specialty chemical product sales( No hazardous chemicals), Sales of experimental analysis instruments, Standardized services, Sales of high-purity elements and compounds, New material technology promotion service, New material technology research and development, Measurement Services, Information technology consulting services, Information consulting services( No licensing information consulting services), Engineering and technical research and experimental development, Biochemical product technology research and development, Domestic trade agent, Sales Agent, Sales of Class I medical devices, Class I medical device leasing, Sales of Class II medical devices, Sales of sanitary products and disposable medical supplies, Class II medical device leasing, Retail of protective equipment for medical staff, Wholesale of protective equipment for medical staff, Medical mask retail, Medical Mask Wholesale, Sales of special labor protection products, Rental Services( No licensed rental services), Import and export of goods, Technology import and export( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)