China: is it broken in the hatch? (8)

I believe the answer is:

eggshell

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'china' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for eggshell that I've seen before include "that soldiers have to get through" , "Variety of paint" , "Pale yellowish white" , "Fragile thing; type of paint" , "Sort of paint" .)

I've seen this clue in The Sun.

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