The scope of business includes health consulting (excluding the practice of medicine and psychological counseling). Environmental protection and landscape engineering design and construction, consulting. Landscaping project design and construction. Sales: health supplies, hardware and electrical appliances, the first category of medical equipment maple. Medical technology development (excluding health care activities). Medical research and experimental development. Environmental protection monitoring. Computer hardware and software development and sales. R & D and sales of security products (except the state has special provisions). Water pollution treatment. Environmental pollution control. Soil pollution control. Noise pollution control. Occupational health technology services and consulting. Education consulting (excluding study abroad consulting and intermediary). (Projects subject to approval by law, approved by the relevant departments before carrying out business activities).