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PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2024
PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION |
Schedule of condensed balance sheets | Condensed balance sheets ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As at December 31
​ | ​ | 2023 | ​ | 2024 | ​ | 2024
​ |  | RMB |  | RMB |  | US$
ASSETS |  |  |  |  |  |
Current assets: |  |  |  |  |  |
Cash and cash equivalent |  | 17,466 | ​ | 409 | ​ | 56
Prepayments and other current assets | ​ | 24,999 | ​ | 73,592 | ​ | 10,082
Total current assets |  | 42,465 | ​ | 74,001 | ​ | 10,138
Total assets |  | 42,465 | ​ | 74,001 | ​ | 10,138
​ | ​ | ​ | ​ | ​ | ​ | ​
LIABILITIES AND SHAREHOLDERS’ EQUITY |  | ​ |  | ​ | ​ | ​
Current liabilities: |  | ​ |  | ​ | ​ | ​
Short term loan |  | 41,179 | ​ | 34,307 | ​ | 4,700
Long-term debts due within one year | ​ | 110,574 | ​ | 84,482 | ​ | 11,574
Accrued expenses and other liabilities |  | 20,483 | ​ | 67,300 | ​ | 9,220
Derivative liability | ​ | 163 | ​ | — | ​ | —
Amounts due to subsidiaries |  | 1,992,011 | ​ | 2,337,986 | ​ | 320,301
Total current liabilities |  | 2,164,410 | ​ | 2,524,075 | ​ | 345,795
​ | ​ | ​ | ​ | ​ | ​ | ​
Non-current liabilities: | ​ | ​ | ​ | ​ | ​ | ​
Long-term bank and other borrowings, non-current portion | ​ | — | ​ | 2,190 | ​ | 300
Total liabilities |  | 2,164,410 | ​ | 2,526,265 | ​ | 346,095
​ | ​ | ​ | ​ | ​ | ​ | ​
Shareholders’ equity (deficit): |  | ​ |  | ​ | ​ | ​
Class A ordinary shares (par value of US$0.0001per share; authorized shares-500,000,000; issued shares-96,565,584 and 96,565,584 as of December 31, 2023 and 2024; outstanding shares-84,463,737 and 84,463,737 as of December 31, 2023 and 2024, respectively) |  | 68 | ​ | 68 | ​ | 10
Class B ordinary shares (par value of US$0.0001per share; authorized shares‑45,787,948; issued shares-45,787,948 and 45,787,948 as of December 31, 2023 and 2024; outstanding shares- 45,787,948 and 45,787,948 as of December 31, 2023 and 2024, respectively) |  | 37 | ​ | 37 | ​ | 5
Treasury stock (12,101,847 and 12,101,847 shares as of December 31, 2023 and 2024, respectively) |  | (7) | ​ | (7) | ​ | (1)
Additional paid-in capital |  | 2,007,965 | ​ | 2,169,693 | ​ | 297,247
Accumulated other comprehensive loss |  | (65,419) | ​ | (77,349) | ​ | (10,596)
Accumulated deficit |  | (4,064,589) | ​ | (4,544,706) | ​ | (622,622)
Total shareholders’ equity (deficit) |  | (2,121,945) | ​ | (2,452,264) | ​ | (335,957)
Total liabilities and shareholders’ equity (deficit) |  | 42,465 | ​ | 74,001 | ​ | 10,138
​
Schedule of condensed statements of comprehensive loss | Condensed statements of comprehensive loss ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Years Ended December 31,
​ | ​ | 2022 | ​ | 2023 | ​ | 2024 | ​ | 2024
​ |  | RMB |  | RMB |  | RMB |  | US$
Revenues |  | — | ​ | — | ​ | — | ​ | —
Cost of revenues |  | — | ​ | — | ​ | — | ​ | —
General and administrative expenses |  | 5,242 | ​ | (2,414) | ​ | (2,642) | ​ | (362)
Selling expenses |  | (524) | ​ | — | ​ | — | ​ | —
Operating loss |  | 4,718 | ​ | (2,414) | ​ | (2,642) | ​ | (362)
Equity in loss of subsidiaries |  | (605,175) | ​ | (314,122) | ​ | (422,351) | ​ | (57,860)
Interest income |  | — | ​ | 14 | ​ | 438 | ​ | 60
Interest expense |  | (10,394) | ​ | (9,926) | ​ | (47,314) | ​ | (6,482)
Changes in fair value of derivatives |  | 1,055 | ​ | 5,282 | ​ | 168 | ​ | 23
Other income, net | ​ | 96,609 | ​ | (1,008) | ​ | — | ​ | —
Foreign exchange gain(loss) |  | 23,526 | ​ | 24,516 | ​ | (8,416) | ​ | (1,153)
Net loss |  | (489,661) | ​ | (297,658) | ​ | (480,117) | ​ | (65,774)
Other comprehensive income (loss) |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Foreign currency translation, net of tax of nil | ​ | (53,964) | ​ | (6,480) | ​ | (7,630) | ​ | (1,045)
Unrealized losses on available-for-sale securities, net | ​ | — | ​ | (31,173) | ​ | (4,299) | ​ | (589)
Total other comprehensive (loss) income |  | (53,964) | ​ | (37,653) | ​ | (11,929) | ​ | (1,634)
Comprehensive loss |  | (543,625) | ​ | (335,311) | ​ | (492,046) | ​ | (67,408)
​
Schedule of condensed statements of cash flows | Condensed statements of cash flows ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Years Ended December 31,
​ | ​ | 2022 | ​ | 2023 | ​ | 2024 | ​ | 2024
​ |  | RMB |  | RMB |  | RMB |  | US$
Net cash (used in) generated from operating activities |  | (2,047) | ​ | (1,258) | ​ | 641 | ​ | 88
Net cash (used in) generated from investing activities |  | (29,335) | ​ | 15,655 | ​ | 19,039 | ​ | 2,608
Net cash (used in) generated from financing activities |  | 16,591 | ​ | 1,590 | ​ | (37,226) | ​ | (5,100)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exchange rate effect on cash |  | 1,243 | ​ | (31) | ​ | 489 | ​ | 67
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net (decrease) increase in cash |  | (13,548) | ​ | 15,956 | ​ | (17,057) | ​ | (2,337)
Cash at beginning of the year |  | 15,058 | ​ | 1,510 | ​ | 17,466 | ​ | 2,393
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash at end of the year |  | 1,510 | ​ | 17,466 | ​ | 409 | ​ | 56
​

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