Trump signs proclamation imposing 15% tariff on polysilicon derivative products

US President Donald Trump on Thursday signed a proclamation to impose a 15 percent tariff on polysilicon derivative products, a move intended to protect America's polysilicon manufacturing, which is crucial for semiconductor and solar panel production. The latest trade action will take effect at 12:01 a.m. on Dec. 4, the White House said, as South Korea's chip industry has been closely monitoring the US measure for its potential impact on business operations in the United States. The proclamatio