Chinese chip manufacturing is the China-based physical production of semiconductor devices. In its narrow sense, it covers wafer fabrication, followed by chip assembly, packaging, and testing. Chip design and the equipment, materials, software, and intellectual property that support production belong to the broader semiconductor value chain, but are not the same thing as manufacturing.
What is Chinese chip manufacturing?
The phrase describes where semiconductor devices are physically produced: chiefly in wafer fabs, where wafers are processed into integrated circuits, and in back-end facilities, where chips are assembled, packaged, and tested. These stages turn designs into devices prepared for use and check that the devices function reliably.
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The wording can also be used more broadly for China’s semiconductor industry, including design and other supply-chain activities. Because sources and speakers may use different boundaries, it helps to say whether “manufacturing” means physical production or the wider industry.
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Front-end wafer fabrication
Front-end manufacturing—also known as fabrication—transforms wafers into complex integrated circuits. The wafer-fabrication stage physically creates the circuits; it is distinct from designing them.
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Back-end assembly, packaging, and testing
After fabrication, chips go through back-end processes. Assembly and packaging prepare them for use, while testing checks functionality and reliability. Back-end manufacturing is essential to producing usable chips, but it is not wafer fabrication.
Which companies do which jobs?
Business-model labels describe a company’s role, not necessarily the complete production history of every chip it sells. Companies may combine activities or outsource some steps.
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- Foundry: fabricates chips for companies that design them, separating chip design from physical production.
- OSAT provider: supplies outsourced semiconductor assembly and test services, generally covering the back end.
- Integrated device manufacturer (IDM): may design, produce, and sell chips, while also outsourcing selected steps.
- Fabless company: designs and sells chips but relies on foundries and OSAT providers for production.
In China, examples identified in an ICOS industry report include SMIC, Hua Hong, and Nexchip in foundry manufacturing, and JCET, Tongfu Microelectronics, and Tianshui Huatian in outsourced assembly and test. These are examples, not a complete directory or a current ranking; capabilities and corporate structures can change.
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“Chinese” can refer to a chip’s production location, a company’s ownership, or the origin of the company. Those meanings are not interchangeable. A chip designed by a company from one country might be fabricated in another and packaged in a third. The Federal Reserve describes foundry production as separating design from physical fabrication and emphasizes the global interdependence of the semiconductor supply chain.
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When the distinction matters, specify the attribute—for example, “fabricated at a China-based foundry”—rather than using “Chinese-made” without explaining what it means. A company’s headquarters or business-model label alone does not establish where a particular product was manufactured.
What is related to chip manufacturing but not the same thing?
Chip design, electronic design automation (EDA) software, semiconductor intellectual property (IP), materials, and capital equipment support semiconductor production or form part of the broader value chain. They are closely connected to manufacturing, but they are distinct activities or inputs rather than the physical production stages themselves.
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Also distinguish semiconductor manufacturing from assembling finished electronic products. A factory assembling a device such as a phone is not necessarily fabricating or packaging the chips inside it.
How to read claims about China’s semiconductor industry
For a fair comparison, check that claims refer to the same stage and type of activity. A foundry’s wafer-fabrication capacity is not directly comparable to an OSAT provider’s assembly and test activity, or to a fabless company’s design business.
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- Stage: front-end fabrication or back-end assembly, packaging, and testing.
- Business model: foundry, OSAT, IDM, or fabless.
- Location: where the relevant production step takes place.
- Segment: what technology or product category the claim concerns.
- Date and measure: the period covered, the metric used, and whether a figure is an actual result or a forecast.
For example, SEMI’s February 27, 2024 announcement forecast that China would have capacity of 8.6 million wafers per month in 2024, equal to 13% of global semiconductor capacity, and projected 13% year-over-year growth. Those were expectations stated in a dated forecast, not verified current capacity or proof that the forecast was realized.
Where the definition comes from
The Federal Reserve’s explanation of foundry production helps clarify how design and physical fabrication can be separated: The global semiconductor industry and the role of China. An institutional explainer describes the production stages: How microchips are made. For China-specific examples of activity across design, foundry, and back-end manufacturing, see the ICOS semiconductor industry report. China’s broader electronics-manufacturing policy context appears in the Ministry of Industry and Information Technology’s 2023–2024 action plan; its wider electronic-information scope should not be mistaken for a precise definition of chip manufacturing.
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