<track id="njnjj"></track>
    <big id="njnjj"></big>
      <track id="njnjj"><strike id="njnjj"><ol id="njnjj"></ol></strike></track>

      <track id="njnjj"></track>

      <track id="njnjj"><strike id="njnjj"></strike></track>

          產品中心
          指數說明

          鍍鋅管和方矩管價格指數隨原材料(帶鋼和鋅)漲跌而波動,帶鋼和鋅每累計調價達到一定數值,鍍鋅管和方矩管即進入調價窗口,跟隨原材料及市場的變化調整價格。

          指數曲線圖
          指數表格
          日期 鋼帶 鍍鋅管 方矩管
          窄帶 中帶 寬帶 1寸 4寸 6寸
          女主拍戏时被强了短篇的小说

            <track id="njnjj"></track>
            <big id="njnjj"></big>
              <track id="njnjj"><strike id="njnjj"><ol id="njnjj"></ol></strike></track>

              <track id="njnjj"></track>

              <track id="njnjj"><strike id="njnjj"></strike></track>