Vacuum Brazed diamond grinding wheel 180mm grinding Wheel for marble granite

1.Diamond grinding wheel material is high quality diamond powder, steel bodies 2.Produce technique is vacuum brazed, high quality, long using life 3.Diameter is 180mm, grit is #25. 4.High quality, factory directly sell, competitive price. 5.Application is for concrete,marble, granite and other floor material grinding.  Diameter 180mm Material diamond metal bond Produce technique  vacuum brazed