The registration address of the hoang mt. Mechanical factory in shi city is located at the grand tong industrial park in zhenggang town, ishi city county, with the registration authority, with the legal representative of zhang ho, and has a general scope of operation: mine machinery manufacturing, mechanical equipment development, mine machinery sale, sale of mechanical equipment, manufacture of specialized equipment (other than licensed professional equipment manufacture), import and export of goods, import and export of technology (in addition to projects subject to legal authorization, operation under legal licence)