In recent months, we developed a new hard polishing pad with size 220mm and 250mm, we called it LUX turbo polishing pad. This pad with excellent sharpness is very good for black granite. If you are processing monument with black granite, don't miss this pad. Welcome to contact us for more details regarding our new pad. With its competitive price, no matter you are wholesaler or factory owner, it will be a most cost-effective product for you.