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ACCOUNTS RECEIVABLE, NET | 12 Months Ended
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Dec. 31, 2025
ACCOUNTS RECEIVABLE, NET |
ACCOUNTS RECEIVABLE, NET | 7. ACCOUNTS RECEIVABLE, NET ​ Accounts receivable, net are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ ​ ​ | December 31, | ​ | December 31,
​ | ​ | 2024 | ​ | 2025 | ​ | 2025
​ | ​ | RMB | ​ | RMB | ​ | US$
​ | ​ ​ ​ | (in thousands) | ​ ​ ​ | (Note 3)
Accounts receivable-third parties |  | 505 |  | 4,287 |  | 612
Allowance for credit losses for accounts receivable |  | (505) |  | (505) |  | (72)
Accounts receivable-third parties, net |  | — |  | 3,782 |  | 540
​ | ​ | ​ | ​ | ​ | ​ | ​
Accounts receivable- related party |  | — |  | 6,284 |  | 899
​ Accounts receivable - related party represents amounts due from Shanghai ZSHX, the 49% noncontrolling interest holder of the Group’s Shanghai joint venture, arising from online game revenue generated through the joint venture’s operations. Shanghai ZSHX became a related party of the Group in September 2025. As of December 31, 2025, accounts receivable - related party amounted to RMB 6.3 million (US$0.9 million). No allowance for credit losses has been recorded against accounts receivable - related party as the amounts are considered fully collectible. See Note 6 for further details on the Group’s JVA, Zhongxinshun, the consolidated subsidiary.

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- Definition The entire disclosure for claims held for amounts due to entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310-10/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
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