China imports: returning damaged goods


My company has shipped 10 containers of brake fluid in barrels to a company in Shanghai on CFR terms; the consignment now needs to be recalled to the UK due to rust appearing on the rim of the barrels.
On the basis the goods are being returned to the UK, where they were manufactured, and will be re-batched into new barrels, do we have to pay any import duties and taxes, or is there dispensation given to damaged/returned goods?

This question is awaiting an answer
Export Action Plan