The registration address of shanghai selena smart technology ltd. Is located in room 1299, 1 2nd floor, located on mount bao, shanghai city, in room 1 b of 6395; the registered authority is the superintendency of the mountain market; its legal representatives are zhengxi, and its operations include general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; sale of mechanical and electrical equipment; sale of recreational vessels and sports vessels; sale of marine engineering equipment; teaching models and the sale of teaching aids; sale of electronic equipment; maintenance of electronic and mechanical equipment (other than special equipment); sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment and electronic equipment; sale of electrical equipment; sale of electrical equipment; (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)