Wafer Manufacturing
1. SMIC 688981: The leading domestic wafer foundry, with a global market share of over 10% in mature processes of 28nm and above, and a production yield of 90% for 14nm technology. By 2025, total production capacity will exceed 1.2 million wafers per month (equivalent to 8-inch), with over 50% localization of equipment in Beijing, Shanghai, and Shenzhen bases.
2. Hua Hong Semiconductor 688347: A global leader in specialty processes, with a market share of over 15% in power devices and embedded memory. Automotive-grade IGBT chips have been certified by BYD and NIO, and the 12-inch BCD process has the largest capacity in the world.
3. Yangtze Memory Technologies (unlisted): A global benchmark for NAND flash memory technology, the first company to mass-produce 232-layer 3D NAND. The Xtacking 4.0 architecture increases single wafer capacity to 1.35Tb, with costs 20% lower than Samsung, aiming for a global market share of 12.8% by 2025.
Packaging and Testing
1. JCET 600584: A global benchmark in packaging and testing technology, the only company to achieve a stacking yield of 98.5% for 8-layer HBM (surpassing Samsung’s 96%). The XDFOI® platform supports integration of 4nm chips and ultra-large chips of 1500mm² (yield 99.5%).
2. Tongfu Microelectronics 002156: A leader in high-performance computing packaging and testing, having acquired AMD’s packaging factory (TF – AMD Suzhou/Penang) to gain advanced flip-chip packaging technology. The FCBGA/FCCSP process supports large-scale production of CPU/GPU.
3. Shenzhen Technology 000021: The largest independent DRAM memory chip packaging and testing company in China, with its wholly-owned subsidiary Peidun Technology mastering mature wBGA/FBGA technology and advanced packaging (DDR4 packaging) with a yield of 99.2% for memory chips.
Equipment and Materials
1. North Huachuang 002371: A global leader in semiconductor equipment manufacturing, covering a variety of semiconductor devices and a key player in domestic substitution. 28nm equipment has achieved mass production, while 14nm equipment is under verification.
2. Zhongwei Company 688012: A leader in semiconductor etching machines, with 5nm process equipment validated by TSMC, ranking in the top ten globally, with technology comparable to Lam Research, covering etching needs for logic chips and memory chips.
3. Lanqi Technology 688008: A global leader in memory interface chips, with a market share of over 50% for DDR5 memory interface chips, driving performance upgrades in server memory, closely tied to international giants like Intel and Samsung.
Design Field
1. OmniVision Technologies 603501: A leading global image sensor design company with a rich product line, used in mobile communications, automotive electronics, and other fields.
2. Zhaoxin Microelectronics 300782: A leading company in RF chips, focusing on the research and design of RF integrated circuits, with a full product line for RF front-end.
3. Sanken Electric 300661: Specializing in the research and sales of analog chips, mainly signal chain products and power management products, with good performance growth.
4. Cambricon 688256: A leader in domestic AI chips, with the Siyuan 590 capable of replacing NVIDIA’s A100, and rapid revenue growth in cloud chips.
5. GigaDevice 603986: A leader in memory chips and MCU chips, with a global market share of over 15% for its NOR Flash memory chips, consistently ranking in the top three globally. In the MCU field, its self-developed 32-bit MCU chips are suitable for industrial control and smart home scenarios.
6. Unigroup Guoxin 002049: A leader in FPGA chips, with 7nm FPGA in mass production, aiming for a 70% market share in satellite internet by 2025, and automotive-grade MCU certified by AEC-Q100, with the proportion of new energy vehicle customers increasing to 20%.
It is important to note that the semiconductor industry is significantly influenced by policies, technological breakthroughs, and the global economy, and the rankings of leading stocks may change dynamically. Investors should consider the latest market trends and corporate performance for comprehensive judgment.