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CONCENTRATION OF RISKS (Details)	12 Months Ended
	Dec. 31, 2023 issuer customer	Dec. 31, 2022 issuer customer	Dec. 31, 2021 issuer customer
Foreign currency exchange rate risk
Depreciation (appreciation) of the RMB against US dollar (as a percent)	2.90%	8.20%	(2.30%)
Customer concentration risk | Sales revenue
CONCENTRATION OF RISKS
Number of customers | customer	5	5	5
Concentration risk percentage	28.39%	29.20%	30.95%
Supplier concentration risk | Cost of goods
CONCENTRATION OF RISKS
Concentration risk percentage	96.00%	93.00%	94.00%
Number of suppliers | issuer	5	5	5

X

- Definition

It represents the information for an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

It represents the number of customers.

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- Definition

It represents the percentage of appreciation and depreciation of the RMB against US dollar.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481027/954-310-50-2

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