China imported more than 1.8 million barrels per day (bpd) of oil from Iran in March, according to the ship tracking firm Vortexa. The quantity represents an all-time high. Other sources estimated volumes between 1.67 million and 1.8 million bpd, which would reflect a peak for the past several months. China purchases approximately 90% of Iran's oil exports, much of which are falsely labeled as Malaysian after being transferred at sea near Malaysia and Singapore. Iranian oil accounts for 16% of China's seaborne crude oil imports.