Nøkkelord: Rask utskiftbar C/Z rullformingsmaskin , C Purlin rulleformingsmaskin , Automatic C Purlin Roll Forming Machine , Cantilever type kabelskuff rulleformingsmaskin , Special-Shape Welding Machine , Dual Workplace Side Hook Welding Machine , Single workplace side hook welding machine , Side Hook Automatic Welding Machine , High-Efficiency Double Deck Roll Forming Machine ,