Some of the world’s biggest automakers are linked through their suppliers to labor programs in China’s Xinjiang region that experts have flagged as coercive, according to a new report by Horizon Advisory, a U.S.-based consultancy. The concerns center around the production of aluminum, raising questions for another key industry about alleged human rights abuses in its supply chain. Suppliers to BMW AG, General Motors Co. and Volkswagen AG, as well as to China-based electric vehicle manufacturers including Nio Inc. and BYD Co., are linked to controversial labor programs in Xinjiang, according to the study. The assembly line at BMW Brilliance’s Tiexi plant in Shenyang, Liaoning Province. The complexity of modern supply chains — in which raw materials can pass through multiple manufacturers or countries before they’re used in finished products — means it’s difficult […]