近一个时期，受地方保护主义的影响，一些低水平轮胎重复性建设又有所抬头。据统计资料表明，“九五”初期，全国定点轮胎企业有６０家，定点外企业有２５０多家，山东省有轮胎企业５８家。而到了目前，全国轮胎协会会员企业有５０家，而协会外企业共有５００多家。其中，仅山? In recent times, due to the influence of local protectionism, the repetitive construction of some low-level tires has also been on the rise. Statistics show that in the initial period of the Ninth Five-Year Plan, there were 60 designated-point tire enterprises in the country, more than 250 in fixed-point and non-point-only enterprises and 58 in Shandong Province. And up to now, the National Tire Association member companies have 50, while the association a total of more than 500 foreign companies. Which only mountain?