The law allows Beijing to retaliate against entities enforcing sanctions it deems unlawful. BEIJING: China has, for the first time, invoked a law targeting companies that comply with foreign sanctions it rejects, escalating a pushback against the US blacklisting of several oil refineries over purchases of Iranian crude. On Saturday, the Ministry of Commerce ordered companies not to comply with US sanctions against five refiners, including recently designated Hengli Petrochemical, citing a law