Onyx Industries, manufactures, exports and supplies a quality range of Granite Slab Blocks. Our range of Granite Slab Blocks is manufactured using high quality Black Granite. The high tensile strength and durability of our granite slab Blocks make it suitable for carious massive structural works. It is used for various floorings, counter tops, and nameplates. We are the exporters of a wide variety of granite offered in various colors and sizes.