... of sizes like 2.50-4 ,3.50-4,3.00-4,3.50-8,4.00-8,3.25-8,3.00-8 and so on6.many kinds of ... 13000setsOur company is one factory of Jiaonan ,Qingdao , mainly producing wheel barrow tyre and tube ,pneumatic wheels, solid and crumb wheels ... , semi pneumatic wheels, PU flat free, bearing rims, valves, inner tubes, and tyres , having the ...