... tunnels bridges,valve basement systems,sewage systems,subways,retaining walls High ribbed formwork formwork mesh, hot-dipped galvanized steel sheets, Size(length*width)2200mm* ... flexibility than normal metal lath. This product has excellent engineering quality, construction security and widely used in tunnels bridges, valve ... ×450mm0.453.802200mm×450mm0.504.202200mm×450mm0.604.80 High Ribbed Formwork