日韩亚洲一区中文字幕在线,黄色视频免费观看网站,9191精品国产免费久久,欧美日韩三四级视频在线观看,亚洲国产成人久久综合碰,国产午夜av毛片久久,真人抽搐一进一出gif免费木瓜视频

Casus Products>> Casus

In order to adapt to market development needs, The XINGTAI IRON AND STEEL CORP.,LTD has developed a new grade of cold heading wire of XGSWRCH35KM,Which is without annealing  and mainly used in the production of more than 8.8 hex bolt and flange surface of high strength fasteners.The product shape not only improve,but good cold heading when the metal flow,cold work hardening rate is low.Customers reflect the use of the material to save time and energy dissipation of annealing process,reduce the production cost,and it can completely meet the demand.