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Principal Accounting Policies - Basis of presentation (Details)	Oct. 01, 2020	Sep. 30, 2020
Principal Accounting Policies
ADS to ordinary share ratio	5	25

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- Definition

The number of underlying shares represented by one American Depository Receipt (ADR) or Global Depository Receipt (GDR). A value of '3' means that one ADR represents 3 underlying shares. If one underlying share represents 2 ADR's then the value would be represented as '0.5'.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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