1.Excellent internal quality 2.Anti-skid, wear-resistant, non-polluting 3.Weathering Our paving brick, square brick has the following features.1) Good resistance to acids, salts and oils;2) Exellent abrasion resistance;3) High water-permeable quality;4) High strength, long life;5) Various colors and pattens. Specifications :1) Color: red, yellow, brown, pink, maroon,green, black, chestnut, etc.2) ...