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Property and equipment, net (Tables)

12 Months Ended

Dec. 31, 2024

Property and equipment, net

Property and equipment, net

​

​	​	​	​	​	​	​
​	​	As of December 31,
​	​	2023	​	2024
​		RMB		RMB		US$
Construction in progress	​	1,134,688,427	​	1,302,148,272	​	178,393,582
Leasehold improvements		13,615,929	​	15,967,920	​	2,187,596
Office and electronic equipment		7,774,324	​	11,704,829	​	1,603,555
Motor vehicles		13,313,052	​	13,402,055	​	1,836,074
Aircraft	​	175,367,530	​	180,292,710	​	24,700,000
Buildings	​	—	​	118,266,537	​	16,202,449
Property and equipment, gross		1,344,759,262	​	1,641,782,323	​	224,923,256
Less accumulated depreciation		35,527,263	​	54,915,306	​	7,523,366
Less impairment		894,274	​	833,390	​	114,174
Property and equipment, net		1,308,337,725	​	1,586,033,627	​	217,285,716

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- References

No definition available.

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- 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

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