R & D and production of class II 6826 physical therapy equipment, class II 6865 medical suture materials and class III 6810 orthopedic (orthopedic) surgical instruments; Class II 6810 orthopedic surgical instruments and class III 6846 implant materials; R & D and production of class I medical devices; Orthopedic implant material mold manufacturing; Wholesale, import and export: Class III and class II: injection puncture equipment, medical electronic equipment, medical optical equipment and endoscopic equipment, medical ultrasonic equipment and related equipment, physical therapy and rehabilitation equipment, clinical laboratory analysis equipment (except in vitro diagnostic reagents), implant materials and artificial organs, operating room emergency room equipment and appliances, stomatological materials Medical health materials and dressings, medical suture materials and adhesives; Class III and class II: medical polymer materials and products; Category II: surgical instruments, gener

Class II medical device production; Class III medical device production; The third type of medical device business; Import and export of goods; Technology import and export (items that need to be approved according to law can be operated only after being approved by relevant departments, and the specific operation items shall be subject to the approval documents or licenses of relevant departments) general items: Sales of class II medical devices; Weighing instrument manufacturing; Weighing apparatus sales; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Software development; Software sales; Technology service, technology development, technology consultation, technology exchange, technology transfer and technology promotion; Glass manufacturing; Optical glass sales; Electronic components manufacturing; Wholesale of electronic components; Plastic products manufacturing; Sales of plastic products; Hardware products manufacturing; Hardware pro

Disposable medical masks, medical protective clothing, disposable isolation gowns

Auto parts; medical consumables and equipment; paper products, etc.

Research and development, technology transfer and technical service of class I, II and III medical devices, production and sales of medical devices, import and export of medical devices, spare parts, raw and auxiliary materials, technology and products, sanitary products, laboratory instruments, equipment, chemical raw materials (except hazardous chemicals), medical software, sales of sporting goods, sanitary materials, plastic products R & D, production and sales of disposable protective articles and masks, external charging business of new energy charging pile, road transportation of common goods, and leasing of mechanical equipment

Food additives and reagent grade hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide, sodium hydroxide, ammonia; mainly produce and prepare various cleaning agents and water treatment chemicals, etc.

技术推广服务；经济贸易咨询；销售第一类医疗器械、第二类医疗器械、计算机软件及辅助设备、电子产品、办公家具、文化用品、电线电缆；货物进出口；维修仪器仪表；软件开发；计算机系统服务；生产Ⅲ类：Ⅲ－6825-1高频手术和电凝设备；销售第三类医疗器械。（市场主体依法自主选择经营项目，开展经营活动；生产第三类医疗器械、销售第三类医疗器械以及依法须经批准的项目，经相关部门批准后依批准的内容开展经营活动；不得从事国家和本市产业政策禁止和限制类项目的经营活动。）。

Research, manufacturing and sales of medical devices and manufacturing of other non household textile products, R & D of mechanical equipment, production and sales of disinfection devices, technical service, technical development, technical consultation, technical exchange, technology transfer, technology promotion, wholesale and retail of computer software and hardware and auxiliary equipment, medical equipment leasing, computer software development, hospital management, General goods warehousing services (excluding hazardous chemicals and other items requiring approval), special equipment repair, import and export of goods and technologies (except for goods and Technologies Prohibited by the state or involving administrative approval)

Production and sales: Class I and II medical equipment, decocting machines; Sales: Class III medical equipment, electronic equipment, rehabilitation equipment, electronic equipment, fitness equipment, health care equipment; "Import and export business of goods and technology" ( Except for goods and technologies that must be approved by national laws and regulations, or prohibited to be imported or exported).

Wholesale and retail: medical devices, daily necessities, cosmetics, health care products; R & D, production and sales of eye care patches; Production: medical devices, health care products (excluding food and drugs); Food business.

Computer software and hardware technology development, technology transfer, technical services; Economic and trade consultation, health information consultation, enterprise management services, technology promotion services; Conference services, graphic design; Designing, producing, acting and publishing domestic advertising business; Cultural and artistic exchange activities planning; Wholesale and retail: electronic products, stationery, daily necessities, medical devices; Telecommunication business operation and medical consultation service (excluding diagnosis and treatment activities); Family patient accompany service; Nursing institution services; Maintenance and leasing of medical devices.