Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Name:	us-gaap_AccountsReceivableNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Accounts Receivable (Details)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 CNY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)
Schedule of accounts receivable
Amount outstanding \| ¥		¥ 13,279		¥ 3,781
Less: Allowance for doubtful accounts
Net amount	$ 13,279		$ 3,781