... durable, 4.stronger flexibility than WA, 1.abrasive product cover various specifications of vitrified abrasives with the diameter less than 900mm ... as max speed, port, special bond and so on), when the function or grinding craft of product is required specially.6.Our ... key problem7.Wheel should be written according to the order, shape, size, abrasive material, grain, grade, , and speed SpeciesCode No ...