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Concentration (Tables) | 12 Months Ended
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Dec. 31, 2023
Concentration [Abstract] |
Schedule of Total Accounts Receivable | The following table sets forth information as to each customer that accounted for 10% or more of total accounts receivable as of December 31, 2022 and 2023.
|  | As of December 31, 2022 |  |  | As of December 31, 2023 |
Customer |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |  |  | Amount |
|  | RMB |  |  | % |  |  | RMB |  |  | % |  |  | US$ |
A |  |  | 4,393,790 |  |  |  | 13.0 | % |  |  | 7,025,390 |  |  |  | 17.0 | % |  |  | 991,908 |
B |  |  | 4,376,768 |  |  |  | 13.0 | % |  |  | * |  |  |  | * |  |  |  | * |
* | Represented the percentage below 10%
The following table sets forth information as to each customer that accounted for 10% or more of total revenue for the years ended December 31, 2021, 2022 and 2023.
|  |  | For the year ended December 31, |  | For the year ended December 31, |  | For the year ended December 31, |
|  |  | 2021 |  | 2022 |  | 2023 |
Customer |  |  | Amount |  |  | % of Total |  | Amount |  |  | % of Total |  | Amount |  |  | % of Total |  | Amount |
|  |  | RMB |  |  |  |  | RMB |  |  |  |  | RMB |  |  |  |  | US$ |
C |  |  |  | * |  |  |  | * |  |  | 117,415,978 |  |  |  | 18.0 | % |  | * |  |  |  | * |  |  | * |
B |  |  |  | 71,419,145 |  |  |  | 13.1 | % |  | 73,423,394 |  |  |  | 11.3 | % |  | * |  |  |  | * |  |  | * |
D |  |  |  | * |  |  |  | * |  |  | * |  |  |  | * |  |  | 61,254,669 |  |  |  | 12.3 | % |  | 8,648,491 |
E |  |  |  | * |  |  |  | * |  |  | * |  |  |  | * |  |  | 60,840,708 |  |  |  | 12.2 | % |  | 8,590,044 |
The following table sets forth information as to each supplier that accounted for 10% or more of total accounts payable as of December 31, 2022 and 2023.
|  | As of |  |  | As of |
|  | December 31, 2022 |  |  | December 31, 2023 |
Supplier |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |  |  | Amount |
|  | RMB |  |  |  |  |  | RMB |  |  | % |  |  | US$ |
Cargo Link Logistics HK Company Limited |  |  | 7,185,007 |  |  |  | 28.1 | % |  |  | 6,248,193 |  |  |  | 13.5 | % |  |  | 870,270 |
A |  |  | 3,261,998 |  |  |  | 12.8 | % |  |  | * |  |  |  | * |  |  |  | * |
B |  |  | * |  |  |  | * |  |  |  | 9,302,019 |  |  |  | 20.0 | % |  |  | 1,313,344 |
C |  |  | * |  |  |  | * |  |  |  | 6,801,207 |  |  |  | 14.6 | % |  |  | 960,256 |
The following table sets forth information as to each supplier that accounted for 10% or more of total purchase for the years ended December 31, 2021, 2022 and 2023.
|  | For the year ended December 31, |  |  | For the year ended December 31, |  |  | For the year ended December 31, |
|  | 2021 |  |  | 2022 |  |  | 2023 |
Supplier |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |  |  | Amount |
|  | RMB |  |  |  |  |  | RMB |  |  |  |  |  | RMB |  |  | % |  |  | US$ |
D |  |  | * |  |  |  | * |  |  |  | 122,901,742 |  |  |  | 20.0 | % |  |  | * |  |  |  | * |  |  |  | * |
Cargo Link Logistics HK Company Limited |  |  | 185,858,692 |  |  |  | 36.4 | % |  |  | 121,455,797 |  |  |  | 19.8 | % |  |  | 62,063,334 |  |  |  | 12.1 | % |  |  | 8,762,666 |
E |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |  |  |  | 60,165,266 |  |  |  | 11.7 | % |  |  | 8,494,679 |
F |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |  |  |  | 56,607,369 |  |  |  | 11.0 | % |  |  | 7,992,343 |

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