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v3.24.1

Segments (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2023 CNY (¥)
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | $ 28,885,579 | ¥ 203,548,005 | ¥ 487,938,864 | ¥ 358,649,298 |
Cost of revenues | (18,348,491) | (129,296,306) | (264,679,547) | (108,623,048) |
Gross profit | 10,537,088 | 74,251,699 | 223,259,317 | 250,026,250 |
Depreciation and amortization |  | (6,161,834) | (6,844,237) | (6,674,311) |
Total capital expenditures |  | (774,615) | (1,821,918) | (135,676) |
Total Assets | 22,669,209 |  | 282,121,901 |  | ¥ 160,559,203
Holographic Solutions [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  | 68,345,506 | 153,996,658 | 131,871,221 |
Cost of revenues |  | (59,562,014) | (125,805,732) | (92,819,057) |
Gross profit |  | 8,783,492 | 28,190,926 | 39,052,164 |
Depreciation and amortization |  | (6,161,834) | (2,761,207) | (2,590,281) |
Total capital expenditures |  | (774,615) | (1,821,918) | (129,482) |
Total Assets | 20,137,323 |  | 200,456,129 |  | 142,626,614
Holographic Technology Service [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  | 135,202,499 | 333,942,206 | 226,778,077 |
Cost of revenues |  | (69,734,292) | (138,873,815) | (15,803,991) |
Gross profit |  | 65,468,207 | 195,068,391 | 210,974,086 |
Depreciation and amortization |  |  | (4,083,030) | (4,084,030) |
Total capital expenditures |  |  |  | ¥ (6,194) |
Total Assets | $ 2,531,886 |  | ¥ 81,665,772 |  | ¥ 17,932,589

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