China Invokes 2021 Blocking Rules to Nullify US Sanctions on Five Petro-Chemical Firms

Beijing’s blocking move echoes the European Union’s 1996 response to the U.S. Helms-Burton Act—Brussels likewise barred European firms from complying with Cuba-related sanctions—revealing how major powers periodically legislate ‘anti-extraterritoriality’ when Washington weaponises its financial reach. Structurally, the clash sits at the intersection of three long-running arcs: (1) the dollar-centred sanctions apparatus that expanded after 9/11; (2) China’s decades-long push to secure energy from politically isolated suppliers; and (3) the gradual legal decoupling of the two largest economies. Whether the order truly shields the five “teapot” refineries depends on how reliant they remain on dollar clearing and Western insurance, but symbolically it signals that China is willing to erode—rather than merely complain about—the U.S. secondary-sanctions model. On a 100-year horizon, the episode may mark another incremental step in a multipolar financial order: if more jurisdictions copy China and the EU, the near-monopoly the U.S. has enjoyed over cross-border compliance could dilute, much as Britain’s naval blockade powers faded after 1914. Conversely, if the firms quietly self-censor to maintain dollar access, history may judge the statute as performative. Either way, the legal sparring underscores the geopolitical premium both nations now place on energy flows and financial leverage.