Cold extrusion ne karfe blank a cikin sanyi extrusion mold rami, a dakin da zafin jiki da ake ji da matsa lamba zuwa blank a kan wani tsayayyen naushi presses, filastik nakasawa na karfe blank machining Hanyar da aka shirya sassa. A halin yanzu, kasar Sin ta sami damar jagoranci, tin, aluminum, jan karfe, zinc da ...
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