Earthenware pot (5)
(Other definitions for china that I've seen before include "Tableware; country" , "country out east" , "Ceramic material" , "Ceramic; friend (colloq.)" , "Mate (slang); crockery" .)
'earthenware pot' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for crock that I've seen before include "Earthen jar" , "Jalopy; dish" , "Large pot" , "Broken piece of earthenware" , "Decrepit person" .)