Hundreds of millions of dollars in Australian beef exports are at stake after China raised concerns about the labelling of some recent shipments.

It is understood six processors have been caught up in the temporary ban.

It is understood the concerns relate to labels on some boxes of exported beef that do not match the labels on the packets inside. Credit:AFR

Trade Minister Steven Ciobo said he had received a letter from China's quarantine agency raising concerns.

It is understood the concerns relate to labels on some boxes of exported beef that do not match the labels on the packets inside.