China-free supply holds in the contract, not in the sub-tiers

The court case is noise, the sub-tier is the signal

Noise: two executives at a Taiwanese drone maker have been detained, and the headlines read the affair as a bribery or espionage story. On 12 October Taoyuan prosecutors said Jiin Ming's vice-president and business manager had been detained for two months from 9 October. They are suspected of using banned Chinese-made chips and lenses under military contracts. After the first case in August, this is the second national security investigation into army drone procurement.

The signal lies elsewhere. The China-free supply rule is written into the first tier of a contract, but it has no counterpart in the sub-tiers where components are actually made. An October 2026 report by the Semiconductor Industry Association (SIA) measures the same constraint for the US chip industry. US-based manufacturers buy roughly $27 billion of equipment and materials a year, and 95% of that comes from suppliers headquartered in the US, Europe and Japan. Measured by production site, the share falls to 68%.

This report asks a narrow question. Why do Taiwan's drone line and America's chip line hit the same wall, and how does the 10 November deadline make that wall higher? The answer is a chain with three links. The cost gap corrupts declarations of origin. The Chinese share in the sub-tiers contradicts the clean picture at the first tier. And Beijing manages those sub-tiers through suspensions that expire in 28 days.

The contract bans it, the cost sheet works against it

Taiwan's military drone tenders ban components originating in China, Hong Kong and Macau. A 3 September industry dossier from Taiwanology shows in figures why the rule is under strain. Buyers will pay a premium of at most 30% for a China-free drone. A Taiwan-made three-sensor gimbal, the mount that keeps the camera steady, costs about NT$200,000. A Chinese infrared chip cuts that cost by a quarter, while a US or French chip roughly doubles the production cost.

According to the same dossier, a fully Taiwan-sourced FPV drone breaks even at $2,000–3,000 per unit, whereas light drones sold for export average $700. Those numbers build an incentive structure. On every item that breaches the 30% ceiling, the supplier either takes a loss or stretches its declaration of origin. Focus Taiwan reported on 18 August that prosecutors in the first case alleged concealed labels and forged certificates of origin. That contract was worth just NT$2.95 million.

The boundary itself is a matter of paperwork. DIGITIMES reported on 25 September that the government leaves the door open to Chinese passive components, magnets and optical lenses in the commercial drone supply chain. One of the items treated as prohibited in the Jiin Ming case is precisely a lens. The same factory cannot use on its military line a part that is permitted on its commercial line. What separates the two lines is not the production process but the delivery documents.

The problem is not confined to small suppliers. Taipei Times reported on 11 September that the chargers for the US-made drones in the NT$26.9 billion Altius purchase had been manufactured in China. As of April no alternative supplier had been found, so US technicians travelled to Taiwan to charge the drones. Batteries will now be made in Taiwan, and China-free chargers will arrive in line with the procurement schedule. Even the largest allied system, in other words, snagged on China at the sub-component level.

The sub-tier turns 95% into 68%

The SIA report measures the same pattern across the chip industry as a whole. Counted by company headquarters, China, Israel, South-East Asia, South Korea and Taiwan account for about 5% of direct, or tier-one, suppliers. Counted by production site, their share rises to 32%. In the report's example, US-headquartered equipment makers assemble deposition and etch tools in Singapore and the UK.

The real fragility sits one tier further down. SIA mapped roughly 100 sub-tier inputs and rated about a third of them highly vulnerable. Its initial assessment had flagged only 21 tier-one inputs as high-risk. Once sub-tier dependencies were counted, more than three-quarters of tier-one categories turned out to rely on at least one highly vulnerable sub-tier input. More than half relied on two or more.

Rare earths, gallium, germanium and graphite head the list. The report notes that neodymium, dysprosium, samarium and terbium go into the permanent magnets used in wafer-handling robots and sputtering tools. The paste that bonds a die to its substrate depends on gallium, and the BT substrates used in packaging depend on tungsten. Most of these inputs are produced in China or in other high-risk countries such as Russia.

This sub-tier can be cut off, and it has been. Chinese customs data cited by SIA show China's exports of gallium, dysprosium, terbium and yttrium to Japan at zero or negligible levels as of June 2026. Japan, in turn, is a key supplier of chip materials bound for the US. According to the report, 75% of ABF substrates and about 70% of lithography mask blanks come from Japan. A restriction Beijing imposes on Tokyo can therefore reach a US fab through a Japanese supplier's sub-tier.

The 10 November clock runs on paper

This sub-tier stays open today because of time-limited suspensions, not a permanent agreement. According to a Pillsbury summary, China's Ministry of Commerce (MOFCOM) suspended export-control notices 55, 56, 57, 58, 61 and 62, announced in October 2025, from 7 November 2025 to 10 November 2026. The package covers additional medium and heavy rare earths, magnets and processing equipment. It also includes an extraterritorial control on foreign products in which Chinese-origin rare earths exceed 0.1% of value.

A second clock runs out on 27 November. Until then, Article 2 of Notice 46 remains suspended. That article provides for licences to export gallium, germanium, antimony and superhard materials to the US to be denied in principle. Article 1, which bans all exports of dual-use items to US military end users, remains in force.

Washington says the clock has been pushed back. Supply Chain Dive reported on 24 September that Treasury Secretary Bessent had announced an extension of the truce from 10 November to 10 January 2027. The same report said the White House had not formally documented the extension. Whether MOFCOM has issued a new notice extending the suspension could not be verified. On paper, the legal basis on the Chinese side expires in 28 days, while the extension rests on a minister's interview.

That gap gives Beijing an option: tightening the sub-tier by slowing licence approvals without formally reinstating the controls. The Japanese case shows how this works. No blanket ban has been declared, yet shipments of four critical elements stand at zero.

Mutual exposure is a brake, and substitution is easing it

A counter-constraint stops Beijing from using this lever without limit. Epoch AI's analysis of 6 October puts China's exposure to semiconductor supply shocks at roughly 2.7 times that of the US. In 2022, $1,000 of Chinese final demand generated $15.2 of chipmaker revenue, against $5.7 for the same amount of US spending.

Korean customs data show that this dependence is still growing. Korea's exports to China rose 167% to $7.59 billion in 1–10 October, and chip exports climbed 170.9%. Stripping out calendar effects, exports per working day still grew by 28.5%.

Yet the same week also showed how fast China is moving to break that dependence. In Shanghai, CXMT announced progress on a 4F² cell structure, a design in which each memory cell occupies less area. It said server memory built on that design would ship by the end of the year. On 12 October Samsung lost 3.6% and SK hynix 3.4%; Samsung is targeting mass production with the same design in 2028. Mutual exposure restrains both sides today, but as substitution advances the brake eases on the Chinese side.

Certificates of origin cannot see sub-components

The last link in the chain is inspection capacity. In Taiwan's first case, the banned component was found not through documents but through an inspection that opened up the device. According to Focus Taiwan, the 8th Army Corps spotted the suspect Chinese component during contract review and acceptance inspection, then alerted prosecutors, and payment was halted.

In the same week a similar structure surfaced in another sector in South-East Asia. On 11 October Ledger traced every complaint of drained funds to devices sold through a Malaysia-based reseller. According to BleepingComputer, the added LTE-enabled implant evades the manufacturer's authenticity test, because the test does not see an added part while the secure chip stays intact. The two cases share one constraint. Trust attaches to the identity of the main component, while sub-components and parts added later remain invisible.

Three dates come next

On 10 November the suspension in MOFCOM's 2025 package expires on paper. If no extension notice appears, a shift in licence approval speed will be the first sign of tightening in the sub-tier. On 27 November the suspension of the gallium and germanium denial rule for the US ends. 10 January 2027 is the new deadline that Washington has announced but not documented. If a third drone case emerges in Taiwan, the army will have to add component-level testing to acceptance inspections, and delivery schedules will slip.

Our reading is this. The most likely path is a quiet extension of the suspension without an official document, with the sub-tier constraint persisting through selective licensing speed. The development that would refute this view is a formal MOFCOM notice that grants general licences to all buyers, including the US, and makes the suspension permanent.