... 3D pattern,laser engraving Application for PVC conveyor industries. textured rollers-HG100331-6 , Shanghai Donghui Roller is very good at this ... to 750 mm, and max length is 6000 mm.Raw material is Carbon steel, alloy steel, stainless steel and others. ... Donghui Roller specializes in making high accuracy textured rollers-HG100331-6 . textured rollers-HG100331-6, for light duty PVC conveyor belts ...