Class II medical device production; Class III medical device production; Class III medical device operation; Class III medical device leasing; Sanitary products and disposable medical supplies production; Road freight transport (excluding dangerous goods); Road dangerous goods transport; International road freight transport. General projects: Class I medical device production; Class I medical device sales; Class I medical equipment leasing; Class II medical device sales; Class II medical equipment leasing; Experimental analysis instrument manufacturing; Experimental analysis instrument sales; Sanitary products and disposable medical supplies sales; Biochemical product technology research and development; New material technology research and development; New organic active material sales; Bio-based material technology research and development; Bio-based material manufacturing; Bio-based material sales; Plastic product manufacturing; Plastic product sales; Mechanical equipment research and development; Mechanical equipment sales; Mechanical parts and components processing; Mechanical parts and components sales; Instrument manufacturing; Instrument sales; Instrument repair; Electronic special equipment manufacturing; Electronic special equipment sales; Computer software, hardware and peripheral equipment manufacturing; Computer software, hardware and auxiliary equipment wholesale; Computer software, hardware and auxiliary equipment retail; Electronic product sales; General equipment manufacturing (excluding special equipment manufacturing); General equipment repair; Special equipment manufacturing (excluding licensed special equipment manufacturing); Special equipment repair; Special chemical product sales (excluding dangerous chemicals); Leasing services (excluding licensed leasing services); Software development; Software sales; Information system integration services; Medical research and experimental development; Technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; Enterprise management consulting; Corporate image planning; Conference and exhibition services; General cargo warehousing services (excluding items requiring licensing approval such as dangerous chemicals); Road freight transport for general cargo vehicles with a total mass of 4.5 tons and below (excluding online freight and dangerous goods); Sales agency; Engaging in investment activities with自有 funds; Non-residential real estate leasing; Property management; Goods import and export; Technology import and export; Import and export agency