Precious Fabcast Pvt. Ltd. Manufactures Heavy Construction Roll Crusher. Precious Fabcast Pvt. Ltd. Is an ISO 9001: 2000 certified company. Available in different models, these machines have a very hard surface of alloy steel to crush materials like emery, glass, and quartz, ceramic in granule form or a coarse powder. Even two stage crushing is possible to get fine powder. The production capacity and H.P. Of this Heavy Construction Roll Crusher is dependant on the physical properties and particle size of the material.