Divelopmen bilong taia indastri bilong Saina i no inap bruk long indastri bilong ol helpim bilong raba, na wok bilong kamapim ol raba helpim indastri tu i no inap bruk tu long taia indastri. Ol rediel taia em ol divelopmen daireksen bilong taia indastri bilong Saina{{1} Olsem na, ol i bin kamapim ol raba aditiv bilong ol raba indastri bilong ol radial taia bilong ol radial taia, em tu
By 2005, China's tire production value was about 125 million, during which the radial tire output value reached 56 million, and the tire radialization rate will increase to 45%. It is required that the car tires have a meridional rate of 100%, the light truck tires have a meridional rate of more than 60%, and the truck tires have reached more than 35%. Long wankain taim, taia indastri bilong Saina i wok tu long kamapim ol hai-fanksen kar redial taia, ol hai-pefomens envairomen frenli taia, enjiniaring rediel taia, egrikalsa redial taia{{11} Divelopmen bilong ol dispela nupela taia i klostu wankain wantaim yusim bilong ol nupela raw materiel na nupela raba aditives{12}} .