... 3.For granite,marble,glass,concrete,til Jiangyin Jiufeng Diamond Abrasive Tools Factory is a professional Chinese manufacturer of diamond polishing and cutting discs ... requirements. 1.Dimensions:1) Diameter: 100mm,110mm,120mm,125mm,130mm,150mm,180mm,230mm;2)Coating Ti;2. Diamond grit: 40 - 120 available ...