Core Insights - The city of Weihai has reported significant growth in its marine economy, with an average annual growth rate of 7.4% during the 14th Five-Year Plan period, aiming to exceed 150 billion yuan by 2025, which will account for 38.5% of its GDP, an increase of 4.5 percentage points from the end of the 13th Five-Year Plan [1] Group 1: Marine Economic Development - Weihai's marine production value is projected to surpass 150 billion yuan by 2025, contributing to 38.5% of the city's GDP [1] - The city has implemented a market-oriented allocation system for marine areas and islands, supporting key projects such as the Longhuikou Reservoir marine project, which is the first large-scale bay-type reservoir marine case in the country [3] - The "Blue Bay" comprehensive remediation action has restored 46 kilometers of damaged coastline and 1,500 hectares of coastal wetlands during the 14th Five-Year Plan [3] Group 2: Technological Innovation in Marine Industry - Weihai has established the first national marine comprehensive experimental field co-built by provincial and ministerial levels, attracting 18 high-level innovation platforms and over 30 high-end talents [5] - The city promotes cooperation between enterprises and over 60 marine-related universities and research institutions, leading to an annual increase of over 15% in R&D investment from marine enterprises [5] - Key technological breakthroughs have been achieved in marine pharmaceuticals, underwater vehicles, and new marine materials, with the added value of strategic emerging marine industries growing at an annual rate of 1.2 percentage points higher than the overall marine production value [5] Group 3: Modern Marine Industry System - Weihai is transitioning its marine industry from traditional methods to high-end and refined practices, establishing a modern marine industry system with distinct characteristics [7] - The city has cultivated seven new nationally approved superior varieties during the 14th Five-Year Plan, with an annual seedling output expected to exceed 70 billion units by 2025 [7] - The high-end shipbuilding sector has seen significant advancements, with the city holding the world's largest orders for high-end roll-on/roll-off ships and successfully delivering the first oil-electric hybrid roll-on/roll-off ship globally [7][8]

Core Insights - The development of deep-sea technology relies on three key technologies: deep networking, deep diving, and deep drilling, which are essential for human exploration and utilization of the deep sea [1] Group 1: Deep Networking - The city is implementing an innovation platform enhancement plan focused on deep networking technology, which utilizes underwater observation networks for long-term, real-time monitoring of the deep-sea environment [2] - The city has established a national marine comprehensive experimental field and several high-level innovation support platforms, including the Harbin Institute of Technology (Weihai) and the Aerospace Science and Industry Group [2] - The city aims to organize major technological innovation projects to address disruptive technologies and domestic substitution technologies, with provincial funding exceeding 170 million yuan [2] Group 2: Deep Diving - The city is promoting an innovation enterprise cultivation plan centered on deep-sea equipment manufacturing, with 294 national high-tech enterprises in the marine sector [3] - The city supports leading marine technology enterprises to form systematic innovation consortia to tackle key core technologies, resulting in the development of China's first 3,500-meter multifunctional deep-sea operation robot, which has been exported to Russia [3] - The city is addressing challenges in sea cucumber harvesting through collaborative technology projects, with ongoing development of a 5,000-meter deep-sea mining robot [3] Group 3: Deep Drilling - Deep-sea resource development is the core of deep drilling, with the establishment of a specialized team to gather high-level talent and implement organized research [4] - The city is focusing on a collaborative approach between industry and academia to meet technological demands and promote the transformation of scientific achievements into products [4] - Future plans include strengthening organized research and fostering a deep-sea technology industry that is competitive on a national level, emphasizing high-end and intelligent development [4]