... 3)Passed ISO9001:2000 1.About the product PS coated roller: 1. excellent in tenacious, torelable environment and chemical durability ... 4. we also can provide all kinds of rubber roller according to your specific graphics2.About company Tianjin Yayu ... a high technology enterprise, which mainly manufactures and sells high pressure braided/spiraled hoses, flexible metal hoses, drilling hoses, assemblies ...