The registered address of Qingdao Dongfei Keyi Environmental Protection Technology Co., Ltd. is Room 501, 5th Floor, No. 19 Keyuan Weisan Road, Laoshan District, Qingdao City, Shandong Province. The registration authority is the Market Supervision Administration of Laoshan District, Qingdao City, and the legal representative is Jiang Xiaoping. The business scope includes general projects: sales of environmental monitoring special instruments and meters; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Sales of experimental analytical instruments; Sales of marine water quality and ecological environment monitoring instruments and equipment; Sales of environmental emergency detection instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for projects that require approval...