concrete vibratory truss screed The largest working thickness is upto 260mm, and the longest working length reaches 28M. Vibartory truss screeds/Truss screedsThe machine is mainly used to slurry extracting,compression,planing of the concrete in the field of road,workshop,quare and so on.The main frame is made of steel,which is firm and quake-proof.Function advantages:1.The largest working ...