亚洲裸体视频,一级毛片在哪里看,国产素人在线,国产精品丝袜久久久,亚洲无砖砖区一二区免费,亚洲а∨天堂久久精品喷水,91网站在线播放

　　 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.