XML 89 R80.htm IDEA: XBRL DOCUMENT v3.22.1
BUSINESS ACQUISITION AND INVESTMENT IN UNCONSOLIDATED ENTITY - Fair value of identified goodwill acquired and carrying value (Details)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Jun. 30, 2021
CNY (¥)
Acquired Finite-Lived Intangible Assets [Line Items]      
The carrying value of goodwill as of December 31, 2021 ¥ 6,996,895 $ 1,099,895 ¥ 6,996,895
Future Gas Station (Beijing) Technology, Ltd      
Acquired Finite-Lived Intangible Assets [Line Items]      
Goodwill 6,996,895 1,099,895  
The carrying value of goodwill as of December 31, 2021 ¥ 6,996,895 $ 1,099,895