# China reportedly delays optical-material exports to Taiwan

_Thursday, August 20, 2026 at 1:20 AM EDT · Infrastructure · Latest · Tier 2 — Notable_

China is restricting or delaying exports to Taiwan of germanium- and quartz-based materials used in fiber optics, photonics and chip manufacturing, according to sources cited by Nikkei Asia. The reported controls are creating supply-chain bottlenecks for materials also described as aerospace and optical inputs. The summary does not specify the volume, duration, legal basis or affected exporters.

## Sources

- [Techmeme](https://www.techmeme.com/260820/p3#a260820p3)

---
Canonical: https://techandbusiness.org/newswire/ayAmYoqq7gXCcAenpUg7Ta
Retrieved: 2026-08-20T07:00:56.579Z
Publisher: Tech & Business (techandbusiness.org)