China’s major refiners have suspended most refined fuel exports for October as Beijing prioritizes domestic supply security, removing another source of diesel, gasoline and jet fuel from an already severely constrained global market. PetroChina has cancelled several gasoline and jet fuel cargoes scheduled for October, while Zhejiang Petrochemical did not schedule exports during China’s week-long National Day holiday, Reuters reported, citing four people familiar with the matter. Beijing has yet to authorize October exports outside Hong…