... .Good anticorrosive capability 3.Long life 4.Competitive price V-belt pulley for machine,1. Feature MaterialCast iron,steel, plastic,ect.ProcessingSan ... .Contact personAnna WeiPhone86-15102249548Fax86-02227342567Websitehttp://www.tjhrsy.en.alibaba.com V-belt pulley for machine SPA,SPB,SPC,SPZ