... tiles,lock linkage blocks, road curb bricks, hydraulic blocks,hollow blocks, perforated bricks, and standard bricks etc.Main Technical ... perlite, and other industrial wastes.Applied Productsconcrete blocks, solid/hollow/cellular masonry products, paving stones with or without face mix ... pavers, squares, gardens, landscaping, city constructions, etc. QTJ4-25 Full-automatic concrete block making machine