With Iran aiming to export record amounts of crude oil this year, the US is looking to pressure its biggest customer into backing off.

US special envoy for Iran Robert Malley told Bloomberg Television on Monday that efforts to convince China to back off Iranian imports “going to be intensified”.

“China is the main destination of illicit exports by Iran,” Malley said in the interview.

Iranian news outlet Kayhan International on Sunday reported that the country’s parliament approved a new budget, aiming to export 1.4m