China Shutter Door Cold Roll Forming Machine -
Shutter Door Cold Roll Forming Machine: Item: Specification Raw Material: Type: Pre-painted steel coil & galvanized coils: Thickness(mm) 05-0.7: Yield strength(mpa) 235: Roller material: 45# steel , coated with Chrome: Shaft for rollers : 55mm: Forming speed(m/min) About 20: Output speed(m/min) About 12 for 6m length sheet: Speed adjusting mode ...
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