The registration address of shanghai hall crown equipment ltd. Is located in room c252, 7th floor, chirac road, 2nd floor, shanghai city, with the registration authority, the market supervision authority, and the legal representative, zhang li, in the field of technology development, technology transfer, technical advice, technical services, mechanical and electrical equipment, automation equipment, energy conservation and environmental equipment, electronics, hardware delivery and the sale of mechanical equipment. [projects subject to legal approval may not operate without the approval of the relevant department]