number and seriousness of australians facing death penalty in china is ` unprecedented '
that 's according to a high-level ministerial briefing obtained by daily mail australia under freedom of information laws .
many australians arrested were caught in guangzhou province - a production hub of the drug ` ice '
as many as 11 were arrested in guangzhou alone in 2014 .
a prominent jockey and four other citizens are known to be potentially facing death row , including kalynda davis 's former partner peter gardner .
ms davis , 22 , was freed without charge in december after a month spent in a chinese prison .
do you know more ? daniel.piotrowski@mailonline.com .