Manufacturer of Industrial Crushers - Coal Crushers, Double Roller Crusher, Biomass Crushers and Roll Crushers offered by Sri Jayam Engineering Works, Rajapalayam, Tamil Nadu.Double Roll Coal Crusher Double roll coal crusher is mainly used to crush material below the medium hardness, such as clinker mineral, coke, slag, shale, limestone and so on. It is the most suitable for small and medium non-metal mines and chemical industries to undergo secondary and fine crushing.