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Commitments and Contingencies (Details) - Schedule of future minimum lease payments under non-cancelable operating - Dec. 31, 2020
¥ in Thousands, $ in Thousands
CNY (¥)
USD ($)
Schedule of future minimum lease payments under non-cancelable operating [Abstract]    
2021 ¥ 4,927 $ 755
2022 4,597 705
2023 4,386 672
2024 4,374 670
2025 365 56
Total ¥ 18,649 $ 2,858