China has imposed export controls on eight companies tied to Taiwan’s military as the self-ruled island began annual military exercises.

China imposes export controls on eight Taiwan military contractors including aerospace and shipbuilding firms.

China placed eight Taiwanese suppliers of military equipment on an export control list, a move that’s likely to have a limited impact on the armed forces of the self-run democracy.China’s Ministry of Commerce said Wednesday it was banning shipments of dual-use products to entities in Taiwan including Aerospace Industrial Development Corp.