Cast iron, cast steel, polyurethane rubber nitrile rubber (NBR), nitrile rubber, natural rubber, silicon rubber fluorine rubber rubber, neoprene rubber, butyl rubber rubber, silicone rubber (SILICOME), three EPDM rubber, fluorine rubber (EPDM) rubber (VITON), butyl nitrile hydrogenation (HNBR), polyurethane rubber wheel, rubber, PU rubber wheels, PTFE rubber wheel (PTFE parts), nylon gear, POM rubber wheel, rubber wheel gear PEEK, PA66, POM, rubber wheel, engineering plastics (such as high performance of PPS pipe, PEEK pipe).