steel column,welding column,girder,steel beam We can provide steel structure contract,fabricate ... , steel roof tile,EPS panel, H-beam,Z-beam,steel column, girder and purlin etc. If you have any projects , pls ... give me the following information: 1.Dimension: length, width, height, eave height, roof pitch, etc 2 ... own drawings or pictures. Pls send them to us. steel column