At Asanduff Blocks Factory, we manufacture both solid and hollow building blocks depending upon the customer requirements. The materials used for the production are Quarry Dust and Sandcrest. We produce the following building blocks: A. 400mm x 200mm x 100mm (4 Inches) B. 400mm x 200mm x 125mm (5 Inches) C. 400mm x 200mm x 150mm (6 Inches)