The probe is in response to an application made by a group of local steel fabricators known as the Australian Wind Tower Manufacturing Alliance, which claims that Chinese and Korean rivals are exporting their goods to Australia at unfair prices, causing "material" economic injury to the industry.

Australian tower manufacturers, Keppel Prince Engineering and Haywards,  allege that goods have been exported to Australia at prices less than their normal value, and that the dumping has caused material injury to the domestic industry.

Portland-based