Parent Company Only Condensed Financial Information (Tables)

6 Months Ended

Jun. 30, 2026

Parent Company Only Condensed Financial Information [Abstract]

Schedule of Condensed Balance Sheets

Condensed balance sheets

		As of
		December 31, 2025				June 30, 2026
		RMB				RMB				US$
ASSETS
Current assets:
Cash and cash equivalents			7,549				6,474				954
Amount due from subsidiaries			241,409				234,233				34,522
Other current assets			800				—				—
Total current assets			249,758				240,707				35,476

Non-current assets
Intangible assets			10,947				10,002				1,474
Investment in subsidiaries			(167,698	)			(163,992	)			(24,169	)
Total non-current assets			(156,751	)			(153,990	)			(22,695	)
Total assets			93,007				86,717				12,781

		As of
		December 31, 2025				June 30, 2026
		RMB				RMB				US$
LIABILITIES AND SHAREHOLDERS’ EQUITY

Accounts payable			—				—				—
Amount due to subsidiaries			9,142				8,801				1,297
Total liabilities			9,142				8,801				1,297

Shareholders’ equity:
Ordinary shares (US$0.00001428571428 par value; 3,500,000,000 and 3,500,000,000 shares authorized; 1,423,285,396 and 1,423,285,396 issued and outstanding as of December 31, 2025 and June 30, 2026, respectively)			126				126				18
Additional paid-in capital			312,339				319,058				47,023
Treasury stock			—				(50	)			(6	)
Statutory reserve			7,596				7,596				1,120
Accumulated deficit			(238,117	)			(247,847	)			(36,528	)
Accumulated other comprehensive income			1,921				(967	)			(143	)
Total shareholders’ equity			83,865				77,916				11,484
Total liabilities, shareholders’ equity			93,007				86,717				12,781

Schedule of Condensed Statement of Comprehensive Income

Condensed statement of comprehensive income

		For the six months ended June 30,
		2025				2026
		RMB				RMB				US$
Cost of revenues			—				(187	)			(28	)
Gross loss			—				(187	)			(28	)
Sales and marketing expenses			—				—				—
General and administrative expenses			(25	)			(8,186	)			(1,206	)
Research and development expenses			(667	)			(419	)			(62	)
Total operating expenses			(692	)			(8,605	)			(1,268	)
Operating loss			(692	)			(8,792	)			(1,296	)
Exchange gain (loss)			(1,606	)			1,245				183
Share of loss from subsidiaries and Consolidated VIEs			(18,996	)			(2,183	)			(319	)
Loss before taxes			(21,294	)			(9,730	)			(1,432	)
Income tax expense			—				—				—
Net loss			(21,294	)			(9,730	)			(1,432	)

Comprehensive loss
Net loss			(21,294	)			(9,730	)			(1,432	)
Other comprehensive loss
Foreign currency translation adjustment			(1,085	)			(2,888	)			(426	)
Total comprehensive loss			(22,379	)			(12,618	)			(1,858	)

Schedule of Condensed Statements of Cash Flows

Condensed statements of cash flows

		For the six months ended June 30,
		2025				2026
		RMB				RMB				US$
Net cash provided by (used in) operating activities			(2,784	)			7,293				1,075
Net cash used in investing activities			(917	)			—				—
Net cash provided by financing activities			3,027				50				7
Effect of exchange rate changes			—				(8,418	)			(1,241	)
Net decrease in cash and cash equivalents			(674	)			(1,075	)			(159	)
Cash and cash equivalents at beginning of year			10,995				7,549				1,113
Cash and cash equivalents at end of year			10,321				6,474				954