The tariffs of up to 6.5% will apply to polysilicon from companies including Hemlock Semiconductor, one of the world’s largest suppliers of the solar raw material, said Reuters.

But several producers, including US subsidiaries of Norway’s REC and SunEdison unit MEMC Pasadena were exempted, reports said.

The preliminary anti-subsidy tariffs are the latest example of the tensions surrounding solar trade between the West and China over recent years.

However,