... data:1.Bend angle iron spec:2-5#2.Bend flat steel spec:-25*43.Minimum roll ... round diameter:Φ250(2#Angle steel,-25*4Flat steel),Φ600(5#Angle steel) ... machine, Pittsburgh seam lock machine. Hydraulic section steel bending machine, metal sheet flange forming machine, ... Tangming Road,Lita Hui,Songjiang District,Shanghai,China Fax:+86-21-57841819Tel:+86-21-57842040Phone:+ ...