According to a statement by the China PV Industry Alliance, unnamed polysilicon companies have asked the association and other trade groups to submit a request to the government to carry out an anti-dumping and subsidy investigation.

The industry is also considering whether to launch a similar action against exporters of solar panel manufacturing equipment and parts, says the statement.

The China PV Industry Alliance includes major solar players like GCL-Poly, Suntech, LDK Solar, Yingli and Trina.

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