免费在线看黄网址|av不卡免费看|日韩一二三四五区|国产日韩在线不卡,亚洲午夜激情网,国产自一区,啊啊啊国产

Casus Products>> Casus

  The QSAE1018-B produced by XINGTAI STEEL is mainly used for producing special-shaped parts and in the field of automobiles. The product has the advantages of stable composition, high surface quality, high geometric dimension precision, low cracking rate during cold forming, etc. A customer of XINGTAI STEEL used the steel grade to produce ball bowls, and feedback the product has stable quality and low cracking rate.