1.first class polishing wheels --- including BD , BK, AO(equal 10S40) and so on . all these products have a very high quality but lower price comparatively . 2. diomand wheels -------high quality with a complete range . 3. diomand drills-----high quality with a complete range. 5.router bits ------first class quality but low price . hope we may have a opportunity to cooperate with you . if you are interested , don't hesitate to contact us , we would be glad to give you some samples for a trial . any further information on request . .cn