Roll Grooving Machine: 1 Vein width:3-8 mm 2 ... :2.5- 2012 New Designed Roll Grooving Machine:This product is an indispensable tool for building concrete pavement, widely used ... which uses plastic brush, broom, napping machine.After grooved by this machine,the road surface is slip-proof, durable ... kgDimension1450×820×1020mmMart Industry,6 Year's Reliable Machine SupplierWe Can Go Much Further,As We Are ...