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v3.21.2

Summary of Significant Accounting Policies (Details) | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 27, 2020 USD ($) | Feb. 27, 2020 CNY (¥) | Jun. 30, 2021 USD ($) | Jun. 30, 2021 CNY (¥) ¥ / shares | Jun. 30, 2020 USD ($) $ / shares | Dec. 31, 2020 $ / shares
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Total price | $ 85,714 | ¥ 600,000 |  |  |  |
Number of operating segments |  |  | 5 | 5 |  |
Government subsidies recognized (in Yuan Renminbi) | ¥ |  |  |  | ¥ 500,000 |  |
Increase in bad debt expense |  |  | $ 18,329 |  | $ 4,400,000 |
General and administration expenses |  |  | $ 4,088 |  | $ 849 |
Exchange rate per share | (per share) |  |  |  | ¥ 6.46 |  | $ 6.52
Average exchange rates per share | (per share) |  |  |  | ¥ 6.47 | $ 7.03 |
Variable interest entities agreement, term |  |  | 10 years | 10 years |  |
Minimum [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Property and equipment ranges |  |  |  | 3.00% |  |
Maximum [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Property and equipment ranges |  |  |  | 5.00% |  |

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599 + Details
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