Chengshan CSR was originally set up in 1976 to produce bias tyres, they then moved into making radial tyres in 1988.
The flagship Chinese brand of the Cooper Chengshan group. The Cooper Tyre Company, in Ohio, USA is the only official supplier of the A1 Grand Prix. Beginning production in 1976 at the Rongcheng Rubber Factory. Sold in over 100 countries worldwide.