Japan has protested against Chinese controls that will limit its exports of a key chemical used to make

Corroborated by 2 sources from 2 publishers

asiatech5h ago

TL;DR

Multiple sources report that japan protests as China slaps new measures against exports of key chipmaking material Japan has protested Chinese controls that will limit its exports of a key chemical used to make computer chips BANGKOK -- 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.

Sources