SEP can also supply 2-8 inches of offshore flexible pipes with multi-layer armor structure to meet the requirement of offshore oil and gas pipeline at water depth up to 1000 meters. The deep-water flexible pipe products are all independently developed by SEP. SEP owns independent intellectual property rights, which break the monopoly of foreign technology, fill the gap in China's deep-water field, and achieve the core technological breakthrough of China's offshore engineering equipment industry.

1- Outer sheath; 2- Tensile armor layer; 3- Anti-buckling layer; 4- Tensile armor layer; 5- Inner sheath; 6 Anti-wear layer; 7- Pressure armor layer; 8- Inner sheath; 9-Carcass layer