... , 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, dry powder mortar, coal fines, carbon powder, and ... ,10,12,18 ect. Sand Blast Rubber Hose exported to Korea USA ect