haodiaocao这里只有精品一,男人午夜网站,国产免费插插插,国产精品欧美激情在线播放,国产成人aa在线视频,国产情侣自拍网站,狠狠色丁香婷婷

Casus Products>> Casus

  The SCM415 produced by XINGTAI STEEL has stable composition, low harmful elements, small decarburization layer, few surface defects, excellent mechanical properties and machining properties, It is widely used in fields such as construction, machinery, and automobiles. A customer of XINGTAI STEEL used this steel grade to produce automotive chassis connecting rods. The customer reported that the surface quality of the product is stable, with few pits and spots, which met product usage requirements.