Pipeline System offers a variety of CRA clad pipe or lined steel pipes including helical seam clad steel pipe，longitudinal seam clad steel pipe, and seamless or welded lined steel pipe, and produces the corresponding elbows etc.in accordance with API Spec 5LD, DNV-OS-F101, SY/T6623 and CJ/T192. Clad pipes consist of an internal CRA layer which is