XML 68 R50.htm IDEA: XBRL DOCUMENT
v3.25.1

Property and equipment, net (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Property, Plant and Equipment [Abstract] |
Schedule of property and equipment, net | Property and equipment, net, consisted of the following:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Machinery and electronic equipment | 197,777 |  |  | 290,356 |
Transportation vehicles | 5,654 |  |  | 4,225 |
Office and other equipment | 20,614 |  |  | 21,613 |
Leasehold improvements | 44,747 |  |  | 54,640 |
Construction in progress | 7,938 |  |  | 14,747 |
Property and equipment | 276,730 |  |  | 385,581 |
Less: accumulated depreciation | (148,653) |  |  | (215,021) |
Less: impairment | (7,292) |  |  | (10,261) |
Property and equipment, net | 120,785 |  |  | 160,299 |
Schedule of depreciation expenses of property and equipment | Depreciation on property and equipment was allocated as follows:
| Year ended December 31,
|  | 2022 | 2023 |  | 2024
|  | RMB | RMB |  | RMB
Cost of revenues |  | 1,022 |  | 544 |  |  | 4,454 |
Selling, general and administrative expenses |  | 31,931 |  | 29,914 |  |  | 18,599 |
Research and development expenses |  | 17,574 |  | 23,501 |  |  | 33,738 |
Total depreciation expenses |  | 50,527 |  | 53,959 |  |  | 56,791 |
Impairment loss on obselete and damaged equipment of property and equiment | Impairment loss on obsolete and damaged equipment of property and equipment was allocated as follows:
| Year ended December 31,
|  | 2022 | 2023 |  | 2024
|  | RMB | RMB |  | RMB
Selling, general and administrative expenses |  | — |  | 454 |  |  | — |
Research and development expenses |  | — |  | 6,838 |  |  | 1,039 |
Total impairment loss |  | — |  | 7,292 |  |  | 1,039 |

X
- Definition Tabular disclosure of depreciation expenses on property and equipment allocated to expense items. + References No definition available. + Details
Name: | exc_DepreciationExpensesOnPropertyAndEquipmentTableTextBlock
Namespace Prefix: | exc_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impairment Loss On Obselete And Damaged Equipment Of Property And Equiment + References No definition available. + Details
Name: | exc_ImpairmentLossOnObseleteAndDamagedEquipmentOfPropertyAndEquimentTableTextBlock
Namespace Prefix: | exc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration