... granite, glass, FRP, ceremics, tiles etc. sharp, edgy, chip free and long service time. good price. Jiangyin Jiufeng Diamond Abrasive ... professional Chinese manufacturer of diamond polishing and cutting discs with over 10 years' experience in this field. We ... Coating: nickel, chrome, titanium available. 4.Smooth cutting surface, high cutting speed.5. Cutting and grinding. 6.Usage: Suitable for cutting ...