Sources: China is restricting or delaying exports to Taiwan of germanium- and quartz-based materials used in fiber optics, photonics, and chip manufacturing (Nikkei Asia)

China is delaying or limiting shipments of germanium- and quartz-based materials to Taiwan, citing concerns over their use in fiber-optic networks, photonics, and semiconductor manufacturing. The restrictions affect components critical for chip production and could pressure Taiwan’s tech supply chain.