Software and hardware development; medical equipment and apparatus professional repair and technical consultation; computer and Auxiliary Equipment Repair and technical consultation; Sales: Medical Devices (only category I, II projects without permission) , computer hardware and software, electronic equipment, instrumentation, stationery supplies, office equipment, electronic components, rubber products, plastic products, hardware Jiaodian, fire equipment, building materials, chemical products (excluding hazardous chemicals) . (for projects subject to approval according to law, business activities may be carried out only after approval by relevant departments).