drop stamping
sự rèn khuôn
drop stamping
sự dập nóng
die stamping, die-forging, die-stamping, drop stamping, drop-forging, forging
sự rèn khuôn
die-forging, drop stamping, drop-forging, hot pressing, hot shaping, hot stamping, hot-forming, hot-pressing, hot-stamping, impact die forging, swage, swaging, swedge
sự dập nóng