国产精品久久久久久久久久免费动|久久久久免费精品国产|日日夜精品视频|黄色av地址,婷婷激情久久,亚洲美女高潮久久久,超碰在线三级

Casus Products>> Casus

  The wire rod of GSWRCH25K makes the feature of uniform-chemical composition, lower harmful elements, higher purity, slight decarburization, perfect surface quality, mainly used to make 8.8 class fasteners, special-shaped parts, etc,A customer of XINGTAI STEEL uses this product to make shock absorber casing,which reflected that the product quality was stable and had good cold heading performance.