1manufacturer in china 2.solid;hollow; 3.use for mower,hand truck,wheel barrow,platform hand truck,tool carts We are a experienced manufacture and exporter,various kinds of rubber products and metal products, including(1)hand truck,wheel barrow,platform hand truck,tool carts,(2)rubber wheels(pneumatic rubber wheels, solid rubber wheels, tubeless wheels, foam wheels, rubber (4)foam wheels, poly ...