Home » Tender for Supply And Delivery Of New Btech Block Materials. Cement (32.5) Ppc Bags, Riversand, Pitsand, Concrete Stones (19mm), Gravel, Brick Force 230mm Rolls, Brick Force 115mm Rolls, Mesh Wire 5193 (6000*2400mm) Sheet, Black Polythene Sheet, Termite Poison 5l Ti, Zimbabwe