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v3.26.1

ACCOUNTS PAYABLE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
ACCOUNTS PAYABLE |
Schedule of accounts payable | ​
​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | As of December 31,
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
​ | ​ | RMB | ​ | RMB
Raw materials |  | 387,884 |  | 434,434
Packaging material |  | 127,653 |  | 109,952
Equipment |  | 40,700 |  | 16,946
Decoration material |  | 17,065 |  | 10,778
Storage and logistics |  | 20,346 |  | 37,411
Others |  | 3,443 |  | 20,268
​ |  | 597,091 |  | 629,789
​

X
- Definition Tabular disclosure of the carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable). + References No definition available. + Details
Name: | cha_ScheduleOfAccountsPayableTableTextBlock
Namespace Prefix: | cha_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_AccountsPayableCurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration