http://www.chinadaily.com.cn/a/202208/03/WS62e9da7ea310fd2b29e70020.html
"Chinese mainland's suspension of natural sand exports to Taiwan will have an impact on the latter's chip manufacturing industry, according to a former vice-minister of commerce.
Wei Jianguo, who is now vice-president of the China Center for International Economic Exchanges, said Taiwan currently consumes around 90 million metric tons of natural sand in a year, among which one third are from the Chinese mainland.
Quartz sand, a type of natural sand, is an important raw material for chip manufacturing, and Taiwan is a major global supplier for chips, Wei said."