Plug grating is made by bearing flat bar and shaft through welding, then through cutting, opening, finishing processes. With lightweight, high strength, corrosion-resistant, maintenance-free, beautiful and many other advantages, are widely used in civilian and commercial buildings, theaters, metro, suburban railway and other public works areas, can be used for ceiling, indoor and outdoor decoration, platform aisle, ventilation window ( Wells), advertising plaque, such as a variety of covers. |