Casing, Tubing Usage: Tube for conveying gas, water, and oil in both and natural gas industries etc. Specification: Outer Diameter: Casing: OD 4 1/ 2" - 20" ( 114.3mm-508mm) Tubing: OD 2 3/ 8....
We, Hunan Shinestar Steel Group, as a large investment group, are specialized in steel products manufacturing, steel products stocking and real estate developing. The First, as a professional....