return idler 1.Dia 60-219,length 190-3400 2.Used ... ,cement,steel,harbor,etc 3.Standard:ISO,CEMA,DIN,JIS return idlerThis type of carrying roller has been exported to more ... have rich experience in this field, we can design the goods independently. Standard: GB, ISO, CEMA, DIN, JIS, ETC Production capacity ... manufacture the rollers and idlers according to the buyers' requirements return idler