1. OTR and TBR factory 2.DOT,TUV,ISO/TS16949 3. Truck rim,trailer wheel,steel wheel 4. Export south american,russian... Tubeless wheels ... :15066093906Tub wheel: 8.5-20, 8.0-20, 7.5-20, 6.0-16, 5.5-16, 8.5-24.and so on.Tubeless wheel: 24.5x8.25 ... ,22.5x7.5,22.5x8.25, 22.5x9.00, 22 ...