(a) the registration address of qinghua jiu (guangzhou) ecotechnic co. Ltd. Is in room c015 on the 8th floor of the 848th street in the hoang pilang district of guangzhou city. The registration authority is the market supervision authority of the hoang pilang district of guangzhou city. The legal entity's representative is involved in micro-engineering, including ecological resource monitoring; marketing of eco-environmental materials; management of natural ecosystem conservation; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; information technology advisory services; greening of lands; marketing of fire-fighting equipment; and fire-fighting technology services; forest fire prevention services; sale of information security equipment; production of eco-environmental materials; production of eco-environmental monitoring and detection instrument instruments; sale of eco-environmental monitoring and detection instrument instruments; manufacture of soil and site restoration equipment; sale of soil and site restoration equipment; afforestation; manufacture of specialized instrumentation for environmental monitoring; specialized instruments for environmental monitoring sold; monitoring of disease prevention and control of wild animals; sale of marine water quality and ecological monitoring instrument equipment; internet data services; manufacture of marine environmental monitoring and detection equipment; sale of marine environmental monitoring and detection equipment; software development; natural scientific research and experimental development;