... 3.widely used in shipbuilding 4.factory direct sale Concrete Pump Rubber Hose Applications1. Useful in various kinds ... hose; rubber hose for waterway desilting, cementing pump truck, concrete, grout, sediment, coal injection truck, bulk cement truck, sandblast, ... inch grout hose, white powder and dredging.Blasting materialsQuartz sand, steel shot, sediment, ball bearing, cement powder, cement concrete, ...