conveyor roller idler 1.Dia 60-219,length 190-3400 2.Used ... steel,harbor,etc 3.Certificate:CE,ISO,BV,SGS Our conveyor rollers have been exported to more than 30 countries all ... over the world, and well received by our customers. Conveyor roller idler feature: 1.Roller idlers Dia 50mm-219mm, length 190-3400mm, which ... order is acceptable Certificate: CE, ISO, BV, SGS, IKA, ETC conveyor return roller idler