... 3.used:steel industry,harbor, Material: alibaba China mining industry steel drum for conveyor Belt the pipe:Q235(GB) ... painting,electric static spraying,baking finish,hot galvanized alibaba China mining industry steel drum for conveyor Belt Company introductionHebei Juxin Conveyor ... up pulley, snub pulley, drum pulley alibaba China mining industry steel drum for conveyor Belt Advantage:1.the life time ...