300474 · SZSE · China
jingjiamicro.comFinancials as of FY2024 · latest on file
Makes GPU chips inside China so government buyers can legally use them in defense and critical infrastructure.
Changsha Jingjia Microelectronics fabricates JM7200 and JM9200 GPU processors at its Changsha facility so that the chips qualify under Chinese government procurement rules requiring defense and critical infrastructure hardware to be designed and built within Chinese jurisdiction. Because that jurisdictional boundary is what grants access to government customers in the first place, a foreign GPU supplier cannot qualify regardless of how powerful its chips are, and a domestic rival would need years of parallel fab construction followed by months of driver and thermal requalification before any customer could switch. The Changsha cleanroom that creates this advantage also sets a hard ceiling on how many chips the company can ship, since GPU dies are large and each wafer yields relatively few finished processors, and building more cleanroom space takes years rather than months. If procurement rules were ever revised to allow foreign-fabricated chips into sensitive applications — or if performance thresholds were raised beyond what Changsha's process node can reach — the jurisdictional boundary that currently keeps competitors out would disappear, and the JM-series processors would have to compete on raw performance against suppliers with access to more advanced fabrication tools.
How does this company make money?
The company earns money each time a finished GPU chip passes final testing and ships from the Changsha facility to a Chinese system integrator or OEM. The price each buyer pays depends on the processor's performance level and how large a volume they commit to purchase.
What makes this company hard to replace?
Chinese government procurement rules create a hard regulatory barrier against foreign GPU suppliers in sensitive applications, so most customers have no legal alternative in the first place. When a system integrator does consider changing GPU suppliers, it must go through multi-month requalification cycles covering driver software integration and thermal management testing. On top of that, customers who have already built products around JM-series GPU drivers and development tools would need significant engineering work to replace them.
What limits this company?
GPU chips are physically large, so each 12-inch wafer processed at the Changsha facility produces fewer finished chips than the same wafer would if it were used for smaller chip types. The Changsha cleanroom's floor space sets a hard ceiling on how many GPUs can be made. Building a new fab takes multiple years, so that ceiling cannot be raised quickly no matter how much money is available.
What does this company depend on?
Jingjiamicro cannot run without 12-inch silicon wafers from Chinese suppliers, fabrication equipment from Applied Materials and ASML, electronic design automation software licenses from Synopsys and Cadence, specialized GPU packaging substrates, and Chinese government export licenses that allow it to operate advanced semiconductor production lines.
Who depends on this company?
Chinese workstation manufacturers would lose their only source of domestically-produced GPU processors that satisfy government procurement rules. Domestic gaming system builders would be forced to find foreign GPU alternatives, which face import restrictions. Industrial automation companies that use graphics-intensive control systems would face supply disruption with no straightforward domestic replacement.
How does this company scale?
Once a chip design is finished and the mask set is made, that design can be run across many wafer batches without any additional engineering cost. That part scales easily. What does not scale is the Changsha cleanroom itself — physical floor space is fixed, building more capacity takes years, and no amount of spending solves that quickly.
What external forces can significantly affect this company?
US export controls block Jingjiamicro from buying the most advanced lithography equipment, which limits how small and powerful future chip designs can be. Chinese government industrial policy shapes both the funding available to the company and the performance targets it is expected to hit. When the renminbi weakens against the US dollar, the cost of imported fabrication equipment and materials rises, because those goods are priced in dollars.
Where is this company structurally vulnerable?
If the Chinese government changed its procurement rules to allow foreign-fabricated GPUs in sensitive applications, or if it raised the required performance bar to a level that Changsha's current process technology cannot reach, Jingjiamicro's jurisdictional advantage would disappear. The JM-series chips would then compete on raw performance against foreign suppliers who have access to newer lithography tools that US export controls currently prevent Changsha from buying.
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As of FY2024 (year ended December 31, 2024). Newer annual figures aren't yet on file.
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