WASHINGTON — U.S. President Donald Trump on Thursday signed a proclamation to impose a 15 percent tariff on polysilicon derivative products, a move...

The Trump administration plans price floors and tariffs on polysilicon imports. This move aims to protect domestic factories and compete with China's ambitions. The decision…

Comes into effect on December 6

The Trump administration plans to announce new tariffs and price floors soon. These measures will target polysilicon, a key material for solar panels and semiconductors. The…