The registered address of shanghai cai-ei environmental technology ltd. Is located in room j6601, 912 ye city road, kasem industrial district, shanghai city. The registration authority is the market supervisory authority of the carting area, represented by wang shujie, and operates on general lines: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion, sale of specialized equipment for environmental protection, wholesale distribution of hardware and hardware, distribution of special instruments for environmental monitoring, distribution of computer hardware and support equipment. (in addition to projects subject to authorization under the law, activities are carried out autonomously under the law under a business licence) (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)