According to sources from the China Chamber of Commerce for Import and Export of Machinery and Electronic Products, on August 16, 2021 local time, a US solar manufacturer submitted an application to the US Department of Commerce (DOC), requesting that certain manufacturers use silicon wafers produced in China and other upstream Crystalline Silicon Photovoltaic Cells and modules (Whether or Not Partially or Fully Assembled Into Other Products) whose components were assembled in Vietnam, Thailand and Malaysia and exported to the United States respectively initiated anti-circumvention investigations. On November 8, 2011, the United States initiated an anti-dumping and countervailing investigation on certain photovoltaic products of our country. On October 10, 2012, the US Department of Commerce issued a final ruling, imposing anti-dumping duties of 18.32%-249.96% and countervailing duties of 14.78%-15.97% on Chinese companies involved in the case.