The US signed a 15% polysilicon tariff as its trade deficit with China fell 32% in 2025, accelerating the biggest supply chain overhaul in

President Trump signs 15% tariffs on polysilicon derivatives under Section 232, targeting China's 90%-plus share of global solar supply chain

The US signed a 15% polysilicon tariff as its trade deficit with China fell 32% in 2025, accelerating the biggest supply chain overhaul in