Taiwan says US officials have come to address concerns regarding chip subsidies.

The criteria are alarming firms including Samsung Electronics Co Ltd and SK Hynix Ltd, South Korean President Yoon Suk Yeol said on Thursday, a concern echoed by the world’s top contract chipmaker in Taiwan, TSMC.

Efforts to better the sustainability of semiconductor manufacturing are ongoing.

The criteria are alarming firms including Samsung Electronics Co Ltd and SK Hynix Ltd.