Stamping ib feem yog ib txoj kev tsim thiab ua cov txheej txheem ntawm kev siv lub zog sab nraud rau phaj, sawb, yeeb nkab thiab profile los ntawm nias thiab tuag los tsim cov yas deformation lossis kev sib cais, thiaj li yuav tau txais cov khoom ua haujlwm nrog cov duab thiab qhov loj me.
