1. 12 months garantee 2. 12 hours response 3. lifetime service 4. low noise low dust Roller pressSummarize Roller press has two solid abrasive roller of overlay welding surface . it is suitble for the intermediate and fine crushiing ,the max feeding 140mm, the max discharge 4mm. such as before the mill :cement industry pre-crudhing cement clinker, limestone and composite materials; iron ore ...