Now I will show you the partial model sizes of the pnetmatic rubber wheels as your reference
8x2.50-4 200x50 10x3.50-4 10x3.00-4 4.00-4 11x2.50-6 12x4.00-6 13x3.50-6 13x3.00/3.25-8 13x3 13x4.00-6 13x5.00-6 10x2.00-5 12x3.50-5 14x3.50-8 16x4.00-8 16x4.50-8 16x6.50-8 15x6.00-6 18x6.50-8 13x6.50-6 10x3.00-4 10x3.50-4 16x 4.00-8 and so on.

We manufacture various kinds of rubber products and metal products, including
(1) tyres,
(2)inner tubes(natural rubber inner tubes, butyl rubber inner tubes),
(3)wheels(pneumatic rubber wheels, solid rubber wheels,tubeless wheels, foam wheels, rubber foam wheels, polyamine foam wheels, castor wheels),
(4)wheel rims, bearings(cylindrical roller bearings, spherical roller bearing),
(5)hand trolley and wheel barrow and so on.