三级片a片无码_蜜乳AV成人电影_丝袜足交视频在线_日韩精品中文字幕亚洲专区腿精_安徽搡BBBB槡BBBB_欧美日B操B_非洲AV成人无码久久精品_av尤物_www.亚洲黄_WWWWWW美国黄片_蜜乳av影视_久久久亚洲成人AV无码电影_A片免费看在线不卡_国产无码8区_日屄福利视频

Use of Products: ML08Al is low carbon cold heading steel, which is mostly used for cold forming steel below class 4.8. The wire rod has characteristics of uniform-chemicalcomposition, low percentage of harmful elements, high purity, tight tolerance, good surface quality. It can be used directly for cold forming without heat treatment process and be applied in transportation, machine and transport etc.The development of the below 4.8 grade high quality cold-forming attains the first award of science and technology progress in XingTai and the third award of science and technology progress in HeBei province. The big size ML08Al is used to make T-iron of the loudhailer in JiangXi, NingBo, ShenZhen and PanYu. The T-iron is used in the foreign famous sounds of XianFeng, SONY and ShanShui.