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INCOME TAX - NOL expiration (Details)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Jun. 30, 2021
CNY (¥)
INCOME TAX      
2022 ¥ 9,281,465 $ 1,459,025  
2023 13,146,922 2,066,665  
2024 10,484,902 1,648,202  
2025 19,617,124 3,083,766  
2026 32,533,742 5,114,228  
Total ¥ 85,064,155 $ 13,371,886 ¥ 91,400,000