Bank Loans (Tables)

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Summary of Maturities of Long Term Debt

The combined aggregate amounts of maturities and sinking fund requirements for each of the five years are as follows:


		As of December 31,
		2024				2025
		RMB				RMB				US$
Less than 1 year			10,500				9,800				1,401
Between 1 and 2 years			3,500				33,800				4,833
Between 2 and 3 years			17,000				29,400				4,204
Between 3 and 4 years			—				3,000				429
over 4 years			—				16,500				2,360

		31,000				92,500				13,227