The New Geography of America’s China Dependence

Orbis Journal | Junyang Hu, Jiayu Lai

American de-risking initiatives reduced direct Chinese imports to nine percent by mid-2025, but critical supply chains remain reliant on underlying Chinese industrial inputs. This rerouting created a structural dynamic known as triangulated interdependence, where assembly shifts to connector economies while upstream capabilities remain concentrated in Beijing. In the first quarter of 2026 alone, Vietnamese imports from China reached $50 billion, highlighting how third-country trade reallocation conceals continued exposure.

While export controls effectively isolated advanced semiconductor manufacturing tools, clean energy sectors remain bound to Chinese firms controlling over 95 percent of global solar wafer production. Furthermore, Chinese capital inflows into Mexican automotive supply hubs ensure that critical electric vehicle components remain tied to Chinese-owned enterprises. Enforcement agencies like US Customs and Border Protection face mounting challenges tracing lower-tier component origins and embedded manufacturing know-how. The trade pivot offers deceptive insulation. Consequently, effective diversification demands auditable disclosures across complex sub-tier supplier networks to identify genuine operational security.

Comment

Geographic reallocation of final assembly masks a persistent concentration of upstream industrial capacity within Chinese manufacturing hubs. While final assembly of consumer electronics and automotive components has migrated to foreign hubs, critical process technology and intermediate machinery remain anchored to Mainland supply ecosystems. The licensing arrangement between CATL and Ford for the Michigan battery plant illustrates how technological control survives nominal geographic diversification. Corporate supply chains adapt by shifting tariff-sensitive assembly nodes without duplicating the capital-intensive sub-tier manufacturing infrastructure located in China.

This structural circumvention mirrors the operational dynamics observed under the 1974 Multifiber Arrangement, where global textile producers systematically rerouted production across non-quota nations to maintain market access without relinquishing baseline manufacturing control. Modern enforcement bodies like US Customs and Border Protection face the same structural bottleneck when attempting to audit deeply embedded origin shifting across multi-tiered supply networks. Consequently, CBP trade enforcement cannot dismantle integrated industrial dominance as long as CATL and primary component suppliers maintain operational monopolies over sub-tier manufacturing.

Strategic Question for Discussion

If licensing agreements like the CATL-Ford partnership become the primary vehicle for foreign direct investment, will sub-tier tracing mechanisms managed by US Customs and Border Protection effectively identify upstream dependencies, or will industrial control remain permanently decoupled from geographic assembly?

The trajectory indicates that regulatory frameworks relying primarily on origin-based customs audits struggle to penetrate complex sub-tier licensing arrangements. My assessment is that corporate incentives will continue to favour operational models that preserve access to specialized Chinese process technology while satisfying outward compliance requirements. As a result, geographic relocation of final assembly is likely to mask, rather than eliminate, core industrial dependencies across critical manufacturing sectors.

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