Concerned about forced labor, U.S. bans some Chinese imports Robert Besser 26 Jun 2021, 12:35 GMT+10 Cracking down on forced labor allegations in China, the Biden administration on Wednesday banned the imports of a key solar panel chemicals from China-based Hoshine Silicon Industry Separately, the U.S. Commerce Department restricted exports to Hoshine, three other Chinese companies and the paramilitary Xinjiang Production and Construction Corps The sources said the United States is continuing to investigate allegations of forced labor by Chinese companies that supply polysilicon WASHINGTON D.C.: Cracking down on forced labor allegations in China, the Biden administration on Wednesday banned the imports of a key solar panel chemicals from China-based Hoshine Silicon Industry.