1,Glass grinding head, 2,Diamond tools, 3,Diamond abrasive tools, 4,Steel material 12L14 5,The CNC cell ... are also the agent of Sandvik. Specificationsby electroplated process,perfec diamond grits ,high effcience,attractive price and good quanlity .Chemical ... with customer requirements.we use Cutting steel Y15pbfor material.Diamond grinding head for glass screen polishing Diamond abrasive tools