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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES - Intangible assets and Land use rights (Details)	Dec. 31, 2023
Customer-related intangible assets | Minimum
Intangible assets
Amortization period	7 years
Customer-related intangible assets | Maximum
Intangible assets
Amortization period	20 years
Trademark
Intangible assets
Amortization period	20 years
Technical know-how
Intangible assets
Amortization period	10 years
Computer software | Minimum
Intangible assets
Amortization period	1 year
Computer software | Maximum
Intangible assets
Amortization period	10 years
Land use rights
Intangible assets
Amortization period	50 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483154/926-20-50-5

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