... and rapid Highspeed fence board is made up of uncoiler ,leveling machine ,punching machine ,forming machine ... (material 45 # through the quenching and tempering treatment), roll materials for GCR15, quenching HRC58 ° to 62 °, ... the surface hard chromium plating, the suppression of thickness of 2.5 m to 3.0 m.(3 ... power: 15 KW(7)Drive:by chain,2 inches apart chain(8)Hydraulic pressure station motor power: ...