... Donghui Roller’s main Products Product NameProduct Brief, up to 750*6000mmProduct PictureEmbossing Roller1. 3D, laser engraving,special engraving.2. Emboss ... Roller, ink prooferetc.Max diameter is up to 750 mm, and max length is 6000 mm.Raw material is Carbon steel, alloy steel ... making high accuracy Bridle cylinders . Bridle cylinders 33-2,750*6000mm,for hot fabric,3D pattern,laser engraving,made by ...