Sassan hatimin ƙarfe na duniya, kashi 60 zuwa 70% zanen gado ne, yawancin waɗanda aka buga su cikin samfuran da aka gama. Jiki, chassis, tankin mai, radiyon motar, gangan tururi na tukunyar jirgi, casing na kwantena, guntun ƙarfe na siliki na injin lantarki da kayan lantarki duk an buga su kuma ana sarrafa su.
Mota karfe stamping / mota stamping / jan karfe stamping / madaidaici stamping / daidai karfe stamping