Schedule I—Condensed Financial Information of the Company (Tables)

12 Months Ended

Dec. 31, 2025

Schedule I—Condensed Financial Information of the Company [Abstract]

Schedule of Balance Sheets

		As of December 31,
		2024				2025				2025
		RMB				RMB				US$
										Note2(u)
ASSETS:
Current assets:
Cash and cash equivalents			20,014				3,587				513
Short term investments			3,694				2,746				393
Other receivables and amounts due from subsidiaries and affiliates			454,830				549,975				78,645
Amounts due from related parties			—				13,044				1,865
Total current assets			478,538				569,352				81,416
Non-current assets:
Investment in subsidiaries			2,512,999				1,198,615				171,399
Investment in an affiliate			1,004,683				—				—
Other non-current asset			17,549				—				—
Total assets			4,013,769				1,767,967				252,815

LIABILITIES AND SHAREHOLDERS’ EQUITY:
Current liabilities:
Other payables and accrued expenses and amounts due to subsidiaries			1,467,253				1,289,447				184,387
Total liabilities			1,467,253				1,289,447				184,387
Ordinary shares (US$0.4 par value; 8,000,000,000 shares authorized, 2,898,308 shares issued and 2,830,230 shares outstanding as of December 31, 2024；8,000,000,000 shares authorized, 13,435,271 shares issued and 13,435,271 shares outstanding as of December 31, 2025)			8,678				60,250				8,616
Treasury Stock			(197	)			—				—
Additional paid-in capital			192,760				401,928				57,475
Retained earnings			2,382,941				107,555				15,380
Accumulated other comprehensive loss			(37,666	)			(91,213	)			(13,043	)
Total shareholders’ equity			2,546,516				478,520				68,428
Total liabilities and shareholders’ equity			4,013,769				1,767,967				252,815

Schedule of Statements of Income and Comprehensive Income

		Years Ended December 31,
		2023				2024				2025				2025
		RMB				RMB				RMB				US$
General and administrative expenses			(11,018	)			(34,232	)			(30,462	)			(4,356	)
Selling expenses			(13,627	)			(11,927	)			9,800				1,401
Interest income			1,201				353				71				10
Others, net			17,009				13,028				(50,403	)			(7,208	)
Equity in earnings of subsidiaries and an affiliate			286,912				487,738				(2,204,392	)			(315,224	)
Net income attributable to the Company’s shareholders			280,477				454,960				(2,275,386	)			(325,377	)
Other comprehensive income (loss):
Foreign currency translation adjustments			2,249				1,688				(19,985	)			(2,858	)
Unrealized net gain (loss) on available-for-sale investments			2,458				(11,418	)			(33,562	)			(4,799	)
Comprehensive income(loss) attributable to the Company’s shareholders			285,184				445,230				(2,328,933	)			(333,034	)

Schedule of Statements of Cash Flows

		Years Ended December 31,
		2023				2024				2025				2025
		RMB				RMB				RMB				US$
Cash flows from operating activities:
Net income			280,477				454,960				(2,275,386	)			(325,377	)
Adjustments to reconcile net income to net cash used in operating activities:
Equity in earnings of subsidiaries and an affiliate			(312,323	)			(509,951	)			2,238,238				320,065
Compensation expenses associated with stock options			17,095				38,589				16,996				2,430
Other non-cash adjustments			(22,569	)			(4,088	)			13,219				1,891
Changes in operating assets and liabilities:
Other receivables			(20	)			18				—				—
Accrued payroll and other payables			820				(2,432	)			(150	)			(22	)
Net cash used in operating activities			(36,520	)			(22,904	)			(7,083	)			(1,013	)
Cash flows from investing activities:
Changes in investment in subsidiaries and an affiliate			2,458				(11,418	)			12,265				1,753
Advances to subsidiaries and affiliates			(10,005	)			11,087				(13,044	)			(1,865	)
Purchase of short-term investments			—				(3,650	)			(33,733	)			(4,824	)
Proceeds from disposal of subsidiaries			—				—				354				51
Proceeds from disposal of short-term investments			27,639				—				32,076				4,587
Others			—				44				—				—
Net cash generated from (used in) investing activities			20,092				(3,937	)			(2,082	)			(298	)
Cash flows used in financing activities:
Proceeds on exercise of stock options			—				—				73				10
Repurchase of ordinary shares from open market			(29,044	)			(5,735	)			—				—
Proceeds from share issuances			—				93				7,299				1,044
Net cash (used in) generated from financing activities			(29,044	)			(5,642	)			7,372				1,054
Net decrease in cash and cash equivalents			(45,472	)			(32,483	)			(1,793	)			(257	)
Cash and cash equivalents and restricted cash at beginning of year			38,512				23,595				20,014				2,862
Effect of exchange rate changes on cash and cash equivalents			30,555				28,902				(14,634	)			(2,092	)
Cash and cash equivalents and restricted cash at end of the year			23,595				20,014				3,587				513