Business of hazardous chemicals (operating according to the scope listed in the license); self-operated and agent import and export business of various commodities and technologies; sales of pesticides, building materials, and clothing; biotechnology research and development; pest control services; cleaning services; indoor air testing and management; housekeeping services; cleaning services; termite control services and related technical consulting services; greening management; sales of daily necessities and disinfection equipment. (Projects that require approval according to law can only carry out business activities with the approval of relevant departments) General projects: sales of office supplies (except for projects that require approval according to law, business activities can be carried out independently with a business license and in accordance with the law)