Core Insights - China is constructing the compact fusion energy experimental device (BEST), expected to be completed by 2027, aiming to be the first device to achieve fusion power generation in human history [1] - The global shift towards carbon neutrality and energy security has elevated controllable nuclear fusion from basic scientific research to a key area of strategic competition among major powers [1][4] - The upcoming "14th Five-Year Plan" (2026-2030) marks a critical phase for China's nuclear fusion development, transitioning from principle verification to engineering technology [1] Industry Overview - The global fusion energy sector has moved from a long phase of basic research to a critical stage of "scientific validation-engineering testing-commercial cultivation" [4] - Major economies, including the U.S. and the EU, are increasing their strategic investments in fusion energy, with the U.S. setting a demonstration reactor operation goal for the 2030s and the EU investing €12 billion in preliminary research [4] - The transition from scientific collaboration to industrial competition is evident, with a focus on overcoming technical challenges in core components essential for the commercialization of controllable nuclear fusion [4] Company Insights - Chinese companies, such as Anhui Jinyi Energy Development Co., are emerging as key players in the fusion energy sector, leveraging advanced technology to gain a competitive edge [5] - Jinyi Energy has achieved microsecond-level control precision, positioning itself strategically in the global fusion power market [5] - The company has developed a modular power supply for the BEST device, reducing fault protection time to under 3 microseconds, which is 30% faster than international counterparts [9][12] Technological Advancements - The precision and stability of power supply systems are critical for maintaining the stability of plasma in fusion devices, with Jinyi Energy's systems achieving a response error of less than 5 microseconds [8] - The company's power supply systems have been designed to meet stringent requirements, achieving a ripple coefficient below 0.1% and an energy conversion efficiency of 95% [12][14] - These advancements not only enhance experimental safety but also improve operational efficiency, making Jinyi Energy's products highly competitive in international tenders [12] Market Potential - The global controllable nuclear fusion market is projected to reach $351.11 billion by 2025 and exceed $479.5 billion by 2029, with a compound annual growth rate of 8.1% [13] - The competitive landscape is characterized by a "tripartite" structure among China, the U.S., and the EU, with core component manufacturers playing a crucial role in reshaping the global energy landscape [13] - The ITER project serves as a benchmark for technological capabilities, with companies like Jinyi Energy entering its supply chain, indicating intense competition in the core component sector [13][14]