We can use a variety of raw materials (such as fly ash, coal gangue, shale, river silt, sand, stone, construction waste, tailings slag, slag, etc.) to manufacture a variety of wall blocks and pavers, slope protection bricks, squares Bricks, grass-planting bricks, lattice bricks, and facing bricks, roof insulation bricks, etc. http://www.unikblockmachines.com