一、全球工程轮胎的短缺程度由于中国、俄罗斯、印尼及北美等对煤炭、铁矿、铜等需求剧增,造成全球大规格工程胎严重短缺,尤其是矿用自卸车用大胎市场需求激增,使全球工程胎制造企业措手不及。米其林、普利司通、固特异等轮胎巨头的工程胎产能受到市场的严竣挑战,开足马力生产 First, the global shortage of engineering tires due to China, Russia, Indonesia and North America, such as coal, iron ore, copper and other sharp increase in demand, resulting in a serious shortage of large-scale global engineering tires, especially in the mining truck market demand for large tires , So that the global engineering tire manufacturing companies caught by surprise. Michelin, Bridgestone, Goodyear and other tire giants of the tire production capacity of the market by the challenge, run at full capacity