1.Three specifications of PC grindstone in cone-shape.
a. Grade P
b. Grade A
Produced by imported high-quality abrasive and resin, good for machining with high endurability , Dark brown in color.
C. Grade G
Produced by general abrasive and resin, endurable, green or red in color, The price is popular.
2.In addition to the above listed specifications, orders for any other specifications or materials are welcomed.