cold drawing steel profile 1,Grade: 20# ,45# , 20Cr ,40Cr, 2, SIZE: by the drawing 3, flat bar ,round bar, hexagonal bar. Cold drawing ... steel profile 1,Grade: 20# ,45# , 20Cr ,40Cr2, SIZE: by the ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); cold drawing steel profile