Licensed Projects: Import and export of goods( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments) General Projects: Class I medical device production, Sales of Class I medical devices, Sales of industrial textile products, Insulation material sales, Thermal and acoustic insulation material manufacturing, Sales of thermal and acoustic insulation materials, Production of labor protection products, Sales of labor protection products, Daily masks( Non-medical) Production, Daily masks( Non-medical) Sale, Internet sales( Except for the sale of goods that require a license), Medical Mask Wholesale, Medical mask retail( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)