... >= HRC62 7. Finish of surface is Ra0.01um (14 levels)8. Wearing resistance is excellet, friction effect is very clean.9 ... . 7. Heating roller or cooling roller, inner structure, inform temperature. 8. Anilox roller, for embossing, coating, inking etc. Donghui Roller’s ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Comma Scraper 2, made by Shanghai Donghui Roller