Permitted activities: Medical mask manufacturing; production of protective equipment for medical personnel (Class II medical devices); manufacturing of Class II medical devices (projects requiring approval shall be conducted only after obtaining relevant approvals, with specific business items subject to the final approval results). General activities: Manufacturing of arts, crafts, and ceremonial goods (excluding ivory and its products); plastic product manufacturing; sale of automotive accessories; paper product manufacturing; manufacturing of industrial textile products; luggage and bag manufacturing; daily sundries manufacturing; apparel manufacturing; toy manufacturing; retail of medical masks; sale of non-medical daily-use masks; production of non-medical daily-use masks; wholesale of medical masks; sale of Class II medical devices; wholesale of protective equipment for medical personnel; sale of labor protection supplies; retail of protective equipment for medical personnel; manufacturing of labor protection supplies; production of protective equipment for medical personnel (Class I medical devices); sale of Class I medical devices; manufacturing of Class I medical devices; import and export of goods; import and export of technology (except for projects requiring approval, all other activities are conducted independently in accordance with the business license).