Why the US naval blockade could affect China?

Laura BickerChina correspondent The Chinese government has called for calm and restraint from all sides as Donald Trump threatens to launch a naval blockade of Iranian ports. China has not confirmed it had any part in persuading Tehran to attend peace talks in Pakistan over the weekend, but there’s no doubt that Beijing will want an end to this war. And not because it needs Iranian oil. Iran only provides about 13% of China's crude oil. If needed, Beijing could go elsewhere for these supplies. B