PU foam wheel : 1.wheelbarrow wheel 2.kinds of bearing 3.several colors. 4.light weight,acid and base resistant 2)6inch ... grass cutters, toy vehicles, baby carriers, bicycles, wheel chairs, golf trucks, carriage trucks and others. Qingdao Sainuoke Industry & Trade Co., ... , toy vehicles, baby carriers, bicycles, wheel chairs, golf trucks, carriage trucks and others. We pay great attention to quality ...