our diamond resin abrasive are very good in polishing granite slab, it is recognized by customers for its good polishing result. DIAMOND RESIN ABRASIVEProduction capacitive: 10800 pcs per month.Advantage: Long lifespan, good performance.Grit:#120~#3000Main market: Brazil, China, USA, Canada, Germany, etc.We are looking forward to cooperating with you.