黄色视频三级

·管線管

　　用于石油(you)、天然氣工業(ye)中的氣、水、油(you)輸送(song)。公司管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)產品(pin)現已形成高(gao)強(qiang)管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、海底管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、耐低(di)溫管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、耐高(gao)溫管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、抗(kang)腐蝕管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)等多用途、高(gao)檔次產品(pin)的制造能力(li)。強(qiang)度級(ji)別高(gao)達(da)：API 5L*100。管(guan)(guan)(guan)徑范圍：114.3～460mm。