Production、 Sale: Disposable medical masks, Medical surgical masks, Medical protective masks, Medical disposable protective clothing, Daily protective masks, meltblown cloth, Dust-free clean consumables; Sale: electronic instruments, Electronics, Non-woven products, Class I medical devices, Class II medical devices, cleaning supplies, Packaging materials, disinfection products, plastic products, Labor protection supplies, Mechanical equipment, Hardware molds; Import and export of goods or technology( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval)。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)