General business items are: Mechanical equipment、 Technical development of biotechnology products; Laser equipment rental、 Purchase, sale and maintenance; Information Consultation( No restricted items); Hardware and Electrical、 Home appliances、 Computers and spare parts、 Electronics、 Lightweight building materials、 Daily necessities、 paper products、 Office machinery、 Chemical raw materials、 Purchase and sale of metal materials( Excluding franchise、 monopoly、 Specially controlled products ); Home Appliance Repair; Import and export of goods and technology。 Enterprise Management Consulting( No restricted items)。,The licensed business items are: ManagementII kind、III kind6870 software,II kind6855 Dental equipment and instruments,II kind、III kind6854 operating room、 Emergency Room、 Clinic equipment and instruments,III kind6834 Medical radiation protection products、 Device,II kind、III kind6833 Medical radionuclide equipment,II kind、III kind6832 Medical high-energy radiation equipment,II kind6831 MedicalX X-ray accessories and parts,II kind、III kind6830 MedicalX X-ray equipment,II kind、III kind6828 Medical magnetic resonance imaging equipment,II kind、III kind6826 Physical therapy and rehabilitation equipment,II kind、III kind6825 Medical high-frequency instruments and equipment,II kind、III kind6824 Medical laser equipment,II kind、III kind6823 Medical ultrasound instruments and related equipment,II kind、III kind6822 Medical optical instruments、 Instruments and endoscopic equipment( Except contact lenses and their care solutions),II kind、III kind6821 Medical electronic instruments and equipment,II kind、III kind6804 Ophthalmic surgical instruments; Coal Operations; Purchase and sale of agricultural and sideline products