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The most popular style at Fair, very popular with customers in Europe and America. It is worth mentioning that its wheel structure: big PU wheel(7*4inch)with brakes, and the wheel can be easy detachable when you press the button.With strong steel frame and double-sided MDF base plate,load-bearing effect is more powerful.
link:https://www.toursporting.com/camping-wagon/220lb-capacity-collapsible-steel-frame.html
220lb Capacity Collapsible Steel Frame Utility Folding Wagon