Professional management of second-hand machine tools, including: 
 1, vertical lathe, horizontal lathe, floor lathe. 
 2, vertical milling machine, horizontal milling, spline milling machine. 
 3, hobbing machine, arc gear milling machine, grinding machine, gear-shaping machines, lapping machines, honing machines, gear shaving machine, and other processing equipment. 
 4, planer, single-arm planer, shaping machines, slotting machines. 
 5, horizontal boring, deep hole drilling and boring machine, boring and milling machine. 
 6, radial drilling machine, vertical drilling. 
 7, various types of grinding machines. 
 8, shearing machine, rolling machine, bending machine. 
 9, air hammer, hammer forging, free forging hammer, roll forging machine, ring rolling machines. 
 10, various types of open, closed presses (J31, J36, J21, J23 type is available.) 
 11, arm, frame, four-column hydraulic press. 
 12, rolling equipment (rolling machine, aluminum extrusion machine). 
 13, lifting equipment (crane, gantry crane, air hoists, cranes, etc.). 
 14, chemical equipment (oxygen machine, injection molding machine, reactor, etc.). 
 15, electrical equipment (electric arc steel furnaces, generators, power motor). 
 16 Double Disk Friction Press (J53, J93, J67 type is available.) 
 17, ball mill, Raymond mill, jaw crusher. 
 18, and other related equipment.