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Exclusive: China slows exports of key optical, aerospace metals to Taiwan

Germanium- and quartz-based materials as well as some magnets affected, sources say China controls the supplies of numerous key industrial materials, including germanium. (Nikkei montage/Source photos by Reuters and Getty Images) TAIPEI — China is restricting or delaying exports of key aerospace and optical materials to Taiwan, creating painful supply chain bottlenecks for industries in the […]

By deepak · August 21, 2026 · 1 min read

Germanium- and quartz-based materials as well as some magnets affected, sources say

China controls the supplies of numerous key industrial materials, including germanium. (Nikkei montage/Source photos by Reuters and Getty Images)

TAIPEI — China is restricting or delaying exports of key aerospace and optical materials to Taiwan, creating painful supply chain bottlenecks for industries in the key Asian tech economy, Nikkei Asia has learned.

Source: Read the original article on asia.nikkei.com