Core Insights - Dalian COSCO Shipping Heavy Industry successfully completed the high-difficulty repair of the world's largest container ship, "Rotterdam," marking the first successful repair of a 24,000 TEU class container ship in Northern China [1][3] - The repair took only 18 days, showcasing the company's ability to overcome complex challenges using innovative industry-first technologies [1][3] Company Achievements - The "Rotterdam" ship measures 399.9 meters in length, 62 meters in width, and has a draft depth of 13 meters, making it one of the largest container ships globally [1] - The repair involved comprehensive tasks including hull structure inspection and equipment maintenance, covering nearly 50,000 square meters of the ship's exterior with rust removal, sandblasting, and high-level painting [3] Innovative Techniques - The company implemented the "in-situ lifting support" technique for the repair of 91 large hatch covers and coaming, providing stable support during the process [3] - Advanced anti-corrosion technology was applied to critical systems like seawater filters, significantly reducing the corrosion engineering cycle [3] - The tail shaft guard was constructed using high-performance 316 stainless steel to ensure the health of the ship's "heart" [3] Infrastructure Development - The successful undertaking of the "Rotterdam" repair was facilitated by the core asset, the "Dalian" floating dock, which underwent a significant extension from 340 meters to 410 meters, enhancing its capacity for repairing ultra-large vessels [3]