5 Countries With The Largest Refining Capacity

2. China

Refining Capacity: 16.99 mb/d

China is the world’s second-largest crude oil refiner, with a total refining capacity of 16.99 million barrels per day, as of 2021. China’s refining sector has grown to become one of the most advanced in the world. China’s refining capacity has grown significantly over the past decades and is expected to continue doing so.