日韩亚洲一区中文字幕在线,黄色视频免费观看网站,9191精品国产免费久久,欧美日韩三四级视频在线观看,亚洲国产成人久久综合碰,国产午夜av毛片久久,真人抽搐一进一出gif免费木瓜视频

　　 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.