we are the major manufacturer of truck wheels.we can supply all kinds of truck wheels:steel tube wheels(7.5-20, 8.0-20, 8.5-24 and so on) steel tubeless wheels(22.5x9.00, 22.5x8.25, 22.5x7.5, 19.5x7.5,17.5x6.00,17.5x5.25 and so on).our products have passed many certificates,such as American DOT,European ECE and Germany TUV.Any questions,please contact with us. thank you.