... 850, type 860, type 900, type 910, type 1025, etc.). Angle Chi Series ( type 475, type 760, type 820, etc.). Double ... , type 750, type 600, type 800, C\Z type steel bar ).Equipment ( automatic punching, wring, fly according to ). Small keel ... .5-6 meters, 2.5-6 meters shearing machine bending machine, open-book machine, slitting machine, leveling machine, a material rack, all kinds of punching plate ...