... strip 2.Product Length: 400mm to 1600mm 3.Speed: 3Minute per Set Column Machine Skype: wadezhang9Column Machine FeatureMaterial: cement,sand, stone, steel ... 400mm to 1600mmDiameter:40mm,50mm,60mm,70mm,80mmSpeed: 3--6minute per setLow investment; High profitroom. Wide ApplicationIt is an ideal products ...