The registration address of the major machinery factory in the city of zhuyi is located on the city of zhuyi, which operates on the south street, with the registration authority being the market supervision authority of zhang zhang zhang, whose legal representatives are involved in the production and processing of mechanical products (with the exception of special state approval projects) and in the import and export of goods and technology (with the exception of goods and technologies that are subject to authorization under national laws and regulations)。