Products/Services We Offer: |
Now, this factory is provided with 2 production lines of double-side submerged arc welding spiral pipes with the specification (¦µ219-1820) following the GB/T9711 standard, and the annual yield is 50,000 tons. In addition, there are 2 production lines of hot-rolled steel pipes for the product API GBB163, GBB162 with the specification (¦µ159-¦µ630), and the annual yield is about 40,000 tons. Also, there are two production lines of empty hole cold-drawing units with the specification (¦µ25-¦µ159), following G |