China tightens trade rules pre-summit

- China introduced new trade rules this month that alarmed American businesses and could weaken U.S. efforts to reduce supply‑chain dependence on China. - Chinese and U.S. officials held a 'candid' call; Paris talks discussed possible Chinese purchases of U.S. farm goods and a joint trade mechanism. - Moves sharpen Beijing's leverage ahead of a likely May Trump‑Xi summit; U.S. tariff policy is widening. (reuters.com) (commonslibrary.parliament.uk)