State TV broadcaster CCTV said eight people were confirmed dead and 11 injured after seven vehicles were recovered from the wreckage.
More top news
The Chancellor has called for new financial partnerships to open up markets beyond the EU.
The haul is part of Operation Thunderstorm which ran throughout May and involved 1,974 seizures including 43 tonnes of wild meat.
Beijing’s decision means new solutions must be found to the problem of removing refuse.