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

  Xingtai steel’s XGSWRCH20K products are mainly used in the production of valve tappet, ferrule, piston pin, etc. A customer use our XGSWRCH20K produce valve tappet, reflect our products good dimensional accuracy, good drawing performance, no cracking in the process of cold heading.