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Convertible redeemable preferred shares - Dividends rights (Details)	12 Months Ended
	Dec. 31, 2023 ¥ / shares
Convertible redeemable preferred shares
Amount of dividends declared	¥ 0

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends declared during the period for each share of temporary equity outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	zkh_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration