... pump body,big ring gear,big pulley,big sheave,bolster,frame,rear frame,front frame,engine block,mill-ball,hammer,jaw plate,bucket tooth ... ,front idler,excavator sprocket,link rod,Bucket link rod,barre ... .5kg up to 800kgs.10. Representative product:balance shaft,front frame,forged link rod,connecting rod,big ring gear,forged gear ...