6804 Ophthalmic surgical instruments,6815 Injection and puncture instruments,6821 Medical electronic instruments and equipment,6822 Medical optical instruments、 Instruments and endoscopic equipment,6823 Medical ultrasound instruments and related equipment,6824 Medical laser equipment,6825 Medical high-frequency instruments and equipment,6826 Physical therapy and rehabilitation equipment,6828 Medical magnetic resonance imaging equipment,6830 MedicalX X-ray equipment,6832 Medical high-energy radiation equipment,6833 Medical radionuclide equipment,6840 Clinical testing and analysis instruments and diagnostic reagents( Except diagnostic reagents),6845 Extracorporeal circulation and blood processing equipment,6846 Implant materials and artificial organs,6854 operating room、 Emergency Room、 Clinic equipment and instruments,6858 Medical cold therapy、 Low temperature、 Refrigeration equipment and appliances,6863 Dental Materials,6864 Medical sanitary materials and dressings,6865 Medical suture materials and adhesives,6866 Medical polymer materials and products,6870 software,6877 Interventional devices( Valid until2020 Year12 moon23 day), Medical device technology R&D and consulting, Home appliances、 Electronics、 office supplies、 furniture、 Building Materials( Except wood) Wholesale and retail, Installation and sales of electromechanical equipment, Self-operated and agency import and export business of various commodities and technologies( Except for goods and technologies that the state restricts companies from operating and prohibits import and export)。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)