used truck parts semi truck wheels 6.50-20 steel tube wheel rims for trailer and bus tire size 8.25 R 20 supplier in China Pallet Packaging or Single packaging or single and pallet packaging 280 pcs Steel Tubeless Wheels in 1*20'GP 560 pcs Steel Tubeless Wheels in 1*40'GP 640 pcs Steel Tubeless Wheels in 1*40'HQ