久久一日本道色综合久久不,99久久无码一区人妻A黑,国产精品爆乳在线播放,国产精品一区无码专区

  • <b id="9ocva"></b>
  • <blockquote id="9ocva"></blockquote>
    Main Products
    Products Grade: XGTQ72A-1,XGTQ72A-2
    Specifications: φ5.5mm
    Applied Standard:  agreement
    Characteristics: this product is used to produce bead wire.
    Applications: Hign carbon steel wireTyre steel
    Use of Products: This grade has the feature of stable chemical composition, low harmful elements, minor decarburization, good surface quality, high sorbite percentage, homogeneous properties along the coil, good plasticity and ductility.