随着我国高速铁路和城市轨道交通的飞速发展,市场上对车辆配件和相关材料的性能要求也越来越高(如车辆的舒适性、安全性和环保性等),从而对铁路和轨道交通的生产带来了更高的新要求。 With the rapid development of high-speed railway and urban rail transit in our country, the performance requirements for vehicle accessories and related materials in the market are also getting higher and higher (such as vehicle comfort, safety and environmental protection) The production has brought new higher requirements.