Material of main equipment:
Roller material: High grade NO. 45 forged steel, plated hard chrome on the surface of roller with thickness 0.05mm.
Active shaft material: High grade NO. 45 carbon wrought steel at diameter 72mm.
Cutting blade: Cr12 mould steel with quenched treatment.
They are widely used as the roof of garden like factory, hotel, exhibition center, villa, civil construction, etc.