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INTEREST-BEARING LOANS AND BORROWINGS (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)
Interest-bearing Loans And Borrowings
Interest rate	5.05%	5.05%
Noncurrent loans maturity	2023 to 2038
Non-current interest-bearing loans	$ 10,293	¥ 71,000	¥ 74,000
Interest rate	5.05%	5.05%
Current loan maturity	2022 to 2023
Current interest-bearing loans	$ 435	¥ 3,000	3,000
Total	$ 10,728	¥ 74,000	¥ 77,000

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