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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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-Section 50
-Paragraph 7A
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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount after accumulated depreciation, depletion and amortization of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

No definition available.

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- Definition

Represents the amount of PPE accumulated amortization excluding construction in progress.

+ References

No definition available.

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Amount before accumulated depreciation, depletion and amortization and construction in progress of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

No definition available.

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Amount after accumulated depreciation, depletion and amortization but before construction in progress of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

No definition available.

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Property, plant and equipment, net (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)
Property, plant and equipment, net
Subtotal	¥ 4,733,057		¥ 3,038,147
Less: accumulated depreciation	(1,718,262)		(882,141)
Property, plant and equipment, net	3,014,795		2,156,006
Construction in progress	210,492		758,268
Total	3,225,287	$ 441,863	2,914,274
Buildings
Property, plant and equipment, net
Subtotal	458,356		234,258
Production facilities
Property, plant and equipment, net
Subtotal	1,024,752		746,172
Mold and tooling
Property, plant and equipment, net
Subtotal	974,873		222,389
Electronic devices, furniture and office equipment
Property, plant and equipment, net
Subtotal	756,567		539,559
Leasehold improvements
Property, plant and equipment, net
Subtotal	1,477,314		1,250,036
Motor vehicles
Property, plant and equipment, net
Subtotal	¥ 41,195		¥ 45,733