近年来,我国高速公路发展迅速,从而带动了汽车工业的快速发展。据中国汽车工业协会统计资料,2003年汽车总产量444.37万辆,同比增长35.2%,其中轿车产量为201.9万辆,同比增长83.3%。由此,促进了我国轿车子午胎的发展。据中国橡胶工业协会轮胎分会资料,会员企业2003年生产子午线轮 In recent years, China’s rapid development of the highway, which led to the rapid development of the automotive industry. According to statistics from China Association of Automobile Manufacturers, the total output of automobiles in 2003 was 4,443,700 units, up 35.2% over the same period of last year, of which the production of cars was 2.019 million units, an increase of 83.3% over the same period of last year. As a result, China has promoted the development of car radial tire. According to the China Rubber Industry Association Tire Branch data, member companies in 2003 production of radial wheels