Abrasive of holy dagger class is ground advocate promoting a product is NORTON-SG emery wheel and CBN of bond of WINTER pottery and porcelain (cubic nitrogen changes boron) emery wheel. NORTON-SG is the patent product of abrasive of corundum of a kind of agglomeration. Its characteristic is to exceed microcrystalline structure, countless cutting blade are contained in every abrasive. Because this has extremely tall cutting efficiency in grinding, can improve the exterior quality of workpiece. Compare with congener product photograph, its nap quantity can reduce 50% above, the service life that also means emery wheel can raise one times above. CBN of bond of WINTER pottery and porcelain (cubic nitrogen changes boron) emery wheel is had from acute ability, grinding amount is large, grinding comparing and wearability are advanced advantage, suit mass production treatment. Group of holy dagger class held water 1665, headquarters is set in France. 2005 the whole world 500 strong rank 106, building materials 100 strong rank world first place. Abrasive of holy dagger class is ground providing is his the branch of tall function material, have the abrasive with the famous whole world such as NORTON, WINTER, FLEXOVIT to wear a trademark. The product has solid knot to grind, besmear is added grind, exceed hard data to grind provide and emery wheel of Bao Xingshu fat. CNC MillingCNC Machining