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Property, Plant and Equipment, Net | 12 Months Ended
--- | ---
Dec. 31, 2023
Property, Plant and Equipment, Net [Abstract] |
Property, plant and equipment, net | 6. Property, plant and equipment, net Property, plant and equipment, net consist of the following:
|  | As of December 31,
|  | 2022 |  | 2023
|  | RMB |  | RMB
Cost: |  |  |  |  |  |
Computers and electronic equipment |  | 9,537,316 |  |  | 12,098,631 |
Office furniture |  | 266,252 |  |  | 266,252 |
Leasehold improvement |  | 1,550,648 |  |  | 1,550,648 |
Transportation equipment |  | 41,014 |  |  | 41,014 |
Construction in progress |  | 16,119,419 |  |  | 165,221,605 |
Less: Accumulated depreciation |  | (6,087,694 | ) |  | (9,524,568 | )
Property, plant and equipment, net |  | 21,426,955 |  |  | 169,653,582 |
Depreciation expenses recognized for the years ended December 31, 2021, 2022 and 2023 were RMB2,510,398, RMB3,353,055 and RMB3,436,716, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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