... , 3M grinding, Ra0.005, finish14, Precision: temperature difference≤±1°C, thermal deformation≤0.01mm, concentricity≤0.001mm, straightness ... Photos: Donghui Roller’s main Products Product NameProduct Brief, up to 750*6000mmProduct PictureEmbossing Roller1. 3D, laser engraving, ... special engraving.2. Emboss with paper roller or rubber rollerMirror Roller1. Ra0.01, accurancy ...