1.manufacturer 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, including1.manufacturer in china 2.experience of 10 years in wheel Manufacture 3.use for mower,hand truck,wheel barrow,platform hand truck,tool carts4.rubber wheels(pneumatic rubber wheels, ...