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

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 imposed export controls Wednesday on eight enterprises tied to Taiwan’s military as the self-ruled island started annual military exercises. China’s Commerce Ministry added eight Taiwan-based organizations including aerospace and shipbuilding companies to an export control list,