We introduce the foreign production of advanced technique to make 5 moulds, 6 moulds, extended, bearing type high speed nuts and elements, many work position cold extrusion machines, cold Dui machine, it is compact to have structure and rigidity is high, operating, maintenance the characteristics such as convenience. Use equipment can simplify production technology, raise work efficiency, overall material utilization factor has high precision and good strength high, enterprise economic benefits are notable.