The registration address of quyong yun town, wang sin village, is located at qingyun town, salt hill county, with the registration authority, the market supervision authority of salt hill county, and is represented by a legal person from the party of kings, who operates in such a way as to include mechanical accessories, protective masks, waste disposal machines, tow chains, machine-bed working lights, slabs, crash blocks, numerically controlled machine-bed fittings, mechanical auxiliaries, delivery of mechanical accessories, manufacture of ventilation equipment. (projects subject to legal approval may not operate without the approval of the relevant department)