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Shanghai issues 15th Five-Year marine economy plan, targets subsea cables and deep-sea materials

Shanghai’s Municipal Ocean Bureau issued the “Shanghai Marine Economy Development 15th Five-Year Plan” implementation scheme, targeting high-performance ship and offshore engineering steel, corrosion-resistant alloys, carbon fiber and alumina fiber composites, and marine anti-fouling materials. The plan also pushes development of deep-sea exploration materials and key submarine cable materials, and explores piezoelectric damping and intelligent visible-light stealth materials. No figures or dates were disclosed.

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AI take

The significance lies less in the materials list than in the framing: subsea cable and deep-sea material capacity is being treated as marine-economy industrial policy, which ties the sector to connectivity and offshore infrastructure rather than to shipping alone. Companies in specialty alloys, composites and cable materials gain a policy tailwind, but the absence of figures or dates leaves scale and timing unverifiable. Whether this translates into procurement or funding commitments is the open question.

Generated by AI for reference only.

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