What is the current situation of chips in China?

China's semiconductor industry is currently navigating a period of intense strategic pressure and ambitious, state-directed advancement. The core situation is defined by a concerted national effort to achieve technological self-sufficiency in the face of comprehensive export controls from the United States and its allies, which have severely restricted access to advanced chipmaking equipment, software, and expertise. This has created a bifurcated reality: on one hand, China has established formidable capacity in mature-node semiconductors (generally 28 nanometers and above), becoming a dominant global supplier for the automotive, consumer electronics, and industrial equipment sectors. On the other hand, the pursuit of cutting-edge logic chips at 7nm and below, which power leading-edge smartphones and AI applications, faces profound challenges due to the denial of extreme ultraviolet (EUV) lithography systems and other critical tools from companies like ASML, Applied Materials, and Lam Research.

The mechanism driving China's response is a whole-of-nation strategy centered on massive financial investment, import substitution, and a focus on the entire supply chain. National and regional funds continue to pour capital into domestic champions like SMIC and Hua Hong Semiconductor, as well as a sprawling ecosystem of equipment and materials suppliers. This has accelerated the development of indigenous alternatives in areas such as deep ultraviolet (DUV) lithography, etching, and deposition. Notably, firms like Huawei have pivoted to designing chips fabricated domestically, with entities such as SMIC reportedly producing 7nm-class processors for Huawei's smartphones using advanced adaptations of older DUV technology. This demonstrates a capacity for significant innovation within constrained parameters, though such processes are generally considered less efficient and more costly than those employing EUV.

The implications of this situation are multifaceted and extend globally. Domestically, it is fostering a more insulated, parallel semiconductor ecosystem that prioritizes security of supply over pure economic efficiency, leading to potential overcapacity in mature nodes and higher costs for advanced components. For global markets, China's growing prowess in legacy chips presents competitive pressures that could reshape industry dynamics and supply chains. Geopolitically, the technological decoupling is cementing, with the chip industry at its center. The ongoing situation also carries significant economic implications, as the immense resources dedicated to semiconductor self-reliance are being allocated amid broader macroeconomic challenges.

Looking forward, the trajectory will be determined by the pace of China's indigenous innovation against the evolving landscape of international controls. Breakthroughs in next-generation technologies, such as chiplet packaging, advanced materials, or novel transistor architectures, could provide alternative pathways to performance gains. However, the fundamental physics and economics of leading-edge fabrication present steep, persistent hurdles without access to the global toolset. The current situation is therefore one of resilient, heavily subsidized progress within defined technological tiers, concurrent with a strategic struggle to breach the highest echelons of semiconductor manufacturing—a endeavor that will continue to shape global tech competition for the foreseeable future.