... MOQ 5.ISO9001:2000 approved Detailed introduction NameMolded coal mine nylon rollerSize& ColorVarious for you to choose.MaterialNylon. (other materials ... price with high quality products.AdvantagesSuper wear resisting, protect wire rope, and long service life, resistant to corrosion combustion, fight ... material are various for you to choose.For example, Nylon, NBR,NR,PTFE,PU,EPDM,Silicone,Viton,etc.It' ...