国产免费高清在线 , a视频免费观看 , 云端之上电影完整版在线观看 , 天梯电影在线观看完整版,www.九色,97人人爱人人,韩国国产在线

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.