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.

If you need, please contact us.
My hotmail at zbymellet.
We can do our our best to meet your requirements and provide competitive price, high quality as well as best service.

Now I will show you the partial model sizes of the barrow tyres as your reference
4.80/4.00-8 4.10/3.50-4 11*4.00-4 4.00-4 3.50-4 260*85 4.10/3.50-6 4.00-8 4.00-6 3.50-8 3.25/3.00-8 13*4.00-6 13*3.00-8 2.50-4 200*50 2.80/2.50-4 16*6.50-8 3.50-7 9*3.50-4 3.50-5 3.50-8 4.00-6 6*2 2.50-4 13*3.25/3.00-8 4.00-10 3.00-5 15*6.00-6 3.50/4.00-6 4.10/3.50-4 3.00/3.50-4 and so on.

Now I will show you the partial model size of the inner tubes for wheel barrow and hand trolleys as follows,
200-4 6*2 2.50-4 2.50-6 2.50-8 3.00-4 3.00-8 3.00/3.25-8 3.50-4 350-5 350-6 350-7 3.50-8 13*3A 13*3B 9*3.50-4
400-4 400-6 400-8 5.00-6 6.00-6 6.50-8 4.00-10 18*8.50-8 and so on.