materials : 65Mn, 50#, Special Type (T7-12), 60Si2Mn, Stainless Rail (410,430) and Low Carbon Series(Q195,Q235) Steel Strip
specification ：thickness (0.25mm-4.0mm) x width (10mm-300mm).
Tel: 0086-539-8753666 Fax: 0086-539-8762888
工业用途 成品卷簧 弹簧盒 开齿钢带
