... steelHeat treatmentFour side rivetingLubricate with greasePackaging: OEM offered, polybag, inner color box and carton(43.5cm*23cm*12cm ... treatmentSurface: zinc, nickel, chromium, Blast sanding, electrophoresisPackaging: polybag and carton or your own packagingSprocket kit Carton: 43cm* ... , polybag with your brand, color innerbox with your design and carton. Welcome to contact with us high quality 40Mn ...