The registered address of shanghai-based mangai electric science and technology ltd. Is located in room 411 on the fourth floor, 19th floor, central road, shanghai city, with the registration authority wang yong fei, representing the market supervision authority, and covering the development of technology, technical services, technical advice, technology transfer, mechanical equipment and accessories, electronics, electrical products, industrial automation equipment, instrumentation, sale of hardware and electricity, electrical equipment (other than special equipment), production, processing, sale, import and export of goods and technology. [projects subject to legal approval may not operate without the approval of the relevant department]