国产一级精品成人久久av无码免费,日韩在线看片中文字幕不卡,中文字幕在线激情日韩一区,日韩欧美成人免费中文字幕,国产精品一区二区免费看,日韩欧美一区二区三区在线视频,中文字幕在线免费视频,中文字幕精品视频在线观看,国产日韩不卡免费精品视频,日韩中文字幕电影在线观看,91精品乱码一区二区三区熟女精品,亚洲欧洲在线观看精品,日韩中文字幕福利电影

Successful Pilot production of φ6.0mm XGLB82A at Wire Rod Mill
  Updatetime:2017-06-25 Hits:

  Good news came from the site of Xingai steel recently. First trial production for φ6.0mm XGLB82A is successful at hard wire work shop of wire rod mill.

  Rare factory in domestic can produce φ6.0mm because of remachining grooved roll and repeated debugging for rolling procedure as rolling groove with separate series. Collars of 5th production line and current process parts were used in this trial production and further discuss between technology department and workshop which optimized rolling procedure, guide system and groove system to guarantee production successfully.