久爱伊人,亚洲天堂aaa,欧美三级电影网站,国内一级黄色毛片,aaa毛片在线观看,青青福利,在线中文天堂

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.