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Accounts receivable, net - Accounts receivable, net (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)
Accounts receivable, net
Notes receivable		¥ 5,235	¥ 12,209
Accounts receivable, gross:		84,189	74,357
Less: allowance for doubtful accounts		(23,298)	(14,175)
Accounts receivable, net	$ 10,134	¥ 66,126	¥ 72,391

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- Definition

Represents amount of notes receivable, current.

+ References

No definition available.

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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