ITIF：2025年中国计划主导一种关键的半导体材料报告（英文版）

Polysilicon is often described as one of the purest materials on Earth. It is used as the substrate material for a range of products, most importantly chips and solar panels.  Beijing has provided significant support to its domestic polysilicon industry to establish Chinese firms as the dominant global suppliers of solar-grade polysilicon and is seeking to push its firms to expand their share of semiconductor-grade polysilicon.  Chinese overproduction of polysilicon and silicon carbide is c