Japan cries foul as China slaps 99.2% import duty on key chemical for making computer chips
Japan has protested against Chinese controls that will limit its exports of a key chemical used to make computer chips, saying Tuesday that Tokyo is studying the potential impact on Japanese companies.

TL;DR
- China has imposed provisional anti-dumping duties of up to 99.2% on a key chemical compound, DCS, imported from Japan.
- The measure affects Japanese exporters like Shin-Etsu Chemical and Denal Silane.
- Japan has protested the controls and is studying their potential impact on Japanese companies.
- DCS is essential for fabricating semiconductor logic and memory chips, with Japan being a leading producer of the ultrapure grade.
- This action follows a period of strained relations between China and Japan, partly due to political statements by Japanese officials regarding Taiwan.
- China's Ministry of Commerce initiated an anti-dumping probe into Japanese DCS as part of various measures against Japan, including export controls on dual-use items.