亚洲色图欧美色,久久不射电影,欧美激情手机在线,好看的一级毛片,亚洲狼人区,天天爱天天做天天爽,91欧美日韩

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.