Core Viewpoint - Japan's deep-sea rare earth mining initiative claims to have concentrations 20-30 times higher than China's land resources, with over 16 million tons of total rare earths, while China has already established advanced deep-sea mining capabilities and technologies, positioning itself as a leader in this strategic sector [6][8][9]. National Strategy Perspective: Why the Deep Sea is Crucial for China - The deep sea is a strategic area concerning resource security, technological competition, and geopolitical dynamics, marking a key step for China from a maritime power to a maritime stronghold [11]. - The demand for critical minerals like rare earths, cobalt, and nickel is projected to increase significantly, with the International Energy Agency forecasting a 3.5-fold rise by 2050 under net-zero scenarios [12]. - The deep sea is viewed as a "reserve" for global minerals, with the International Seabed Authority estimating around 50 trillion tons of polymetallic nodules, which could alleviate reliance on international supply chains [14]. Technological Competition: The Ultimate Test of National Strength - Deep-sea exploration is a complex system engineering challenge, comparable to space exploration, requiring advanced capabilities across multiple disciplines [15][16]. - The synergy between deep-sea and space technologies enhances national capabilities, with deep-sea mining supporting high-end manufacturing sectors like aerospace and semiconductors [16]. Geopolitical Dynamics: The New Battlefield - Countries like the U.S., Germany, and India are increasingly investing in deep-sea exploration, with the market expected to reach $500 billion by 2030 [17]. - Japan's mining activities in disputed waters raise legal questions, while China is building its voice in deep-sea resource development through legitimate international cooperation [17]. Deep-Sea Challenges: Four Major "Death Challenges" and China's Solutions - The extreme conditions at 10,000 meters deep present significant challenges, including high pressure, temperature variations, corrosive environments, and complex terrain [18][20][21][22]. - China is focusing on a dual breakthrough in materials and equipment, creating a comprehensive technology system that adapts to deep-sea conditions [23]. Rise of Hidden Champions: Six Key New Materials - China has transitioned from reliance on imports to achieving self-sufficiency in deep-sea materials and equipment, with several companies leading in this domain [24][25]. - Key materials include pressure-resistant alloys, corrosion-resistant materials, buoyancy materials, sealing materials, and functional protective materials, all tailored for deep-sea applications [36][46][49]. Comprehensive Industry Matrix: Core Structure of China's Deep-Sea Materials Industry - The industry encompasses various materials and technologies, including pressure-resistant structures, corrosion-resistant alloys, buoyancy materials, sealing materials, and biofouling-resistant coatings, all essential for deep-sea operations [54].

Group 1: Central Economic Committee Meeting Insights - The 6th meeting of the 20th Central Economic Committee was held on July 1, 2025, with a significant gap of nearly one and a half years since the last publicly disclosed meeting[3] - The meeting emphasized the need to deepen the construction of a unified national market, focusing on supply-side optimization and combating "involution" competition[13] - The meeting's outcomes are expected to lead to smoother policy formulation and execution, as clarified by the recent political bureau meeting[6] Group 2: Supply-Side Reform and Involution - The concept of "anti-involution" was first introduced in the July 2024 political bureau meeting, with the current meeting reinforcing this stance and calling for specific policy implementations[17] - Historical context shows that supply-side structural reforms initiated in November 2015 led to significant improvements in local government finances, with land transfer income rising from CNY 3.1 trillion to CNY 5.0 trillion between 2015 and 2017[20] - Current local fiscal pressures remain high, necessitating careful monitoring of how "anti-involution" and supply-side optimization are implemented[20] Group 3: Marine Economy Development - The meeting highlighted the ongoing policy support for the marine economy, which has been a consistent focus since the 18th National Congress in 2012[24] - Key investment areas identified include offshore wind power, marine infrastructure, and marine transportation, with expectations for short-term fundamental improvements[28] - The integration of marine economy with other sectors such as pharmaceuticals, military, and cultural tourism is anticipated to catalyze further policy support[28]