China is expanding its toolkit to counter foreign sanctions and export controls, placing multinational companies in the line of fire as Beijing, Washington and Brussels exchange tit-for-tat punitive measures.Since March, Beijing has passed two new regulations that expand its ability to retaliate against foreign entities deemed to have threatened its supply chain security or enforced sanctions imposed with “improper extraterritorial jurisdiction”.Recommended Stories list of 4 itemsend of listA third law, still in draft form, would allow Chinese prosecutors to bring cases against foreign organisations and individuals whose “unlawful acts harm the country’s national interests or social public interest”, according to state media.The move, part of a broader effort to strengthen China’s public interest litigation law, was announced in June.James Hsiao, a Hong Kong partner with the multinational law firm White & Case, said that firms are concerned about how to comply with opposing rules and regulations.“Some companies have expressed some concern that these measures could affect ordinary commercial transactions, particularly where companies face potentially conflicting legal obligations,” Hsiao told Al Jazeera.“A company may be required under US or EU sanctions rules to restrict dealings with a counterparty, while also needing to consider whether taking that action could create risk under [Chinese] countermeasures,” he said.Firms could face fines, visa cancellations, asset freezes, investment restrictions and curbs on the import or export of goods from Chin …