... 4.factory direct sale Concrete Pump Rubber Hose Applications1. Useful in various kinds of sand blast machines.2. In shipbuilding ... hose; rubber hose for waterway desilting, cementing pump truck, concrete, grout, sediment, coal injection truck, bulk cement truck, ... sand, steel shot, sediment, ball bearing, cement powder, cement concrete, dry powder mortar, coal fines, carbon powder, and mineral ...