... hose; rubber hose for waterway desilting, cementing pump truck, concrete, grout, sediment, coal injection truck, bulk cement truck, sandblast, big inch grout hose, white powder ... and dredging.Blasting materialsQuartz sand, steel shot, sediment, ball bearing, cement powder, cement concrete ... /2,4,5,6,7,8,10,12,18 ect. Concrete pump rubber hose