1.Quality Certificate: ISO9001:2000, CE test provided 2.Service: Drawing design, manufacture and install service:(1) Drawing Design(2) Manufacture Steel Construction& Steel Parts according to Customers Drawing(3) Manufacture Steel Structure Building&its Components(4) Exporting&InstallationSteel Structure:Specs: Steel frames: Q235, Q345, etc.Roof and Wall Panels: Steel plates of 0.4, 0.5mm, or EPS ...