<video id="3r9tf"></video>
<video id="3r9tf"></video><i id="3r9tf"></i>
<video id="3r9tf"><delect id="3r9tf"><meter id="3r9tf"></meter></delect></video><video id="3r9tf"><video id="3r9tf"><i id="3r9tf"></i></video></video><dl id="3r9tf"></dl><dl id="3r9tf"></dl>
<noframes id="3r9tf">
<dl id="3r9tf"></dl>
<noframes id="3r9tf"><dl id="3r9tf"><delect id="3r9tf"></delect></dl>
<dl id="3r9tf"></dl><i id="3r9tf"></i>
<dl id="3r9tf"></dl>
<dl id="3r9tf"></dl><dl id="3r9tf"></dl>
<dl id="3r9tf"><delect id="3r9tf"><meter id="3r9tf"></meter></delect></dl>
<nobr id="3r9tf"><video id="3r9tf"></video></nobr>
<video id="3r9tf"><i id="3r9tf"></i></video><noframes id="3r9tf"><dl id="3r9tf"></dl>
<dl id="3r9tf"></dl><dl id="3r9tf"></dl>
<dl id="3r9tf"><delect id="3r9tf"><font id="3r9tf"></font></delect></dl><dl id="3r9tf"><delect id="3r9tf"><meter id="3r9tf"></meter></delect></dl><i id="3r9tf"></i><dl id="3r9tf"><delect id="3r9tf"></delect></dl>
歡迎訪問“安陽市永通鑄管有限公司”官方網站!
18537270007
您當前的位置:首頁 > 問題解答
  • 球墨鑄鐵管有哪些優點? 現在建筑使用的球墨鑄鐵管很多,它的腐蝕性很好,使用壽命長,無論是上天入地,還是修路造田,都離不開它。為什么球墨鑄鐵管這么受歡迎呢?來跟隨安陽市永通鑄管有限公司,一起看看球墨鑄鐵管有哪些優點吧。一、球墨鑄鐵管的可擴展性、高強度和壓力函數以及抗侵蝕性;二、延伸率可達到10%以上,有的球墨鑄鐵管抗拉強度大于420MPa,壓力值4MPa以上;三、在高壓供水、輸氣管道... 查看詳情
21 條記錄 1/2 頁 下一頁  1  2 
版權所有 ? 2017 安陽市永通鑄管有限公司   HTML地圖 XML地圖
豫ICP備14029971號-1
安陽市永通鑄管有限公司

球墨鑄鐵管大型生產廠家

全國咨詢熱線
185 3727 0007
155 1888 1988
186 3725 8240

在線咨詢
回到頂部
亚洲日韩在线三区_2021精品国产综合久久_亚洲免费无码在线_国产成人欧美一区二区三区