China Resin Bond Custom Superabrasive Grinding Wheel This grinding wheel are made of synthetic diamond/CBN and resin bond,it is easier to get many different shapes just as for you request. The resin bond wheel which more convenient to get dressing,less dressing times. 1A1 200D 1A1 200D the superabrasive surface: looking forward to you inquiry, and we trust that we will be you ideal partner!