... standardSAPH38(G3133-87)Function:Beam, column used as various steel structure beam and column on workshop, warehouse, office building ,aircraft ... your hand, no matter they are PDF, JPG or AUTO CAD format, you can send them to us directly, we ... trying to be the Carrefour in supplying the steel structure plant,Steel structure prefabricated building, steel warehouse, prefabricated house, mobile house ...