China is moving to dominate the global market for polysilicon, a key material used in chips, by flooding the industry with cheap, subsidised product to drive producers in other countries out of business.

This is according to a report by the Information Technology and Innovation Foundation (ITIF), a think tank based in Washington D.C. It warns that Beijing is providing "significant support" to its own polysilicon industry in an effort to establish loca businesses as the dominant global suppliers.

This has already led to one US supplier filing for bankruptcy, and others will follow unless countermeasures are taken, the report claims.

Polysilicon is the main substrate material used to produce the wafers that are used in nearly every semiconductor fabrication plant worldwide.

According to

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