China’s ports handle nearly a third of global container traffic and it has the largest merchant fleet in the world in terms of the number of ships owned.
But given the size of its fleet and the number of ships that pass through its ports, China plays a surprisingly small role in bonded bunkering – the provision of fuel sold tax-free to ships travelling between countries across international waters.
It is not China but Singapore that dominates Asian bunkering. Just under 50 million metric tons of...
https://blogs.platts.com/2019/07/29/imo-2020-an-opportunity-for-chinas-bunker-fuel-sector/