China’s refiners have halted fuel exports until further notice, multiple sources briefed on the matter told Reuters on Thursday in a development that could further tighten the global fuel market. PetroChina, the state major, has canceled some gasoline and jet fuel cargoes that were expected to be shipped in October, according to the sources. China suspended fuel exports in the spring and early summer as it looked to protect its domestic fuel supply amid the Strait of Hormuz crisis. As of the middle of July, Chinese authorities removed most…