黄色一级片久久,天堂8√,午夜激情啪啪,亚洲人久久,国产成视频在线观看,蜜桃一区二区,97在线免费观看视频

Many R&D technologies of automotive steel of Xingtai Steel reach the international advanced level
  Updatetime:2020-07-13 Hits:

   In recent years, Xingtai Steel made a series of achievements in automotive steel. 54 types of cold-heading steel for “Q” and “G” series of vehicles (passenger vehicles) has passed the certification of more than 20 domestic and foreign automobile main engine factories and main parts suppliers, and been recognized by a series of high-end users like Honda, FAW, SAIC, Dongfeng and Hyundai. These types of steel are widely used on automotive fasteners, suspension springs, shock absorbers and other products. The annual sales volume is more than 300.000 tons, which gains an advantage in the fierce automotive steel market.