General Projects: Medical mask retail, Daily masks( Non-medical) Sale, Sales of Class II medical devices, Sales of labor protection products, Retail of protective equipment for medical staff, Plastic product sales, Sales of Class I medical devices, Sales of non-metallic minerals and products, Machinery and equipment sales, General mechanical equipment installation services, electronic、 Mechanical equipment maintenance( Excluding special equipment), Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Information consulting services( No licensing information consulting services), Enterprise Management Consulting, Advertising Design、 acting, Advertising Production, Advertising, Clothing and accessories retail, Shoes and hats retail, Sales of needlework textiles, Daily necessities sales, Stationery retail, Office supplies sales, Paper product sales, Sporting goods and equipment retail, Electronics sales, Sales of packaging materials and products, Building materials sales, Import and export of goods, Technology import and export。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)