Shandong mine smart manufacturing co. Ltd., located in the courtyard of the qin huai yuan company limited (lu city) no. 236 quixen east road, chie ning city, shandong province, mainly operating in the following areas: manufacture of general-purpose equipment (excluding special-purpose equipment), sale of mine machinery, manufacture of special-purpose equipment (excluding licensed professional equipment), sale of machinery for construction work, (in addition to legally authorized projects, operating autonomously under a licence)