改革开放以来，我国轮胎产量和出口量分别约增长１０倍和１００倍；引进子午线轮胎所用原材料和装备大部分已实现国产化；通过厂院联合研发，我们已掌握了子午线汽车轮胎生产技术，并正在越来越多的国内轮胎企业推广应用；我们研发成功的斜交巨型工程轮胎及能适应较高行驶速度 Since the beginning of reform and opening up, China’s tire production and exports have increased by about 10 times and 100 times respectively; most of the raw materials and equipment used for the introduction of radial tires have been domesticized; through the joint research and development of the factory, we have mastered the production technology of radial tires. More and more domestic tire companies are promoting their applications; we have developed successful diagonal giant engineering tires and can adapt to higher speeds