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v3.21.2

Equity (Details) |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |
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Apr. 29, 2019 USD ($) $ / shares shares | Apr. 16, 2019 USD ($) | Aug. 02, 2018 | Mar. 15, 2018 | Mar. 31, 2021 USD ($) $ / shares shares | Mar. 31, 2020 USD ($) $ / shares shares | Oct. 31, 2018 USD ($) | Oct. 31, 2018 CNY (¥) | Sep. 28, 2018 CNY (¥) | Aug. 31, 2018 USD ($) | Aug. 31, 2018 CNY (¥) | May 10, 2018 | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CNY (¥) | Apr. 30, 2017 USD ($) | Apr. 30, 2017 CNY (¥) | Apr. 25, 2017 | Jul. 23, 2012 $ / shares shares
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  | 30,000,000 | 30,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in Dollars per share) | $ / shares |  |  |  |  | $ 0.01 | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |
Statutory reserve |  |  |  | the Board of Directors adopted a consent resolution to effectuate a forward stock split to sub-divide the original 50,000 issued ordinary shares of a nominal or par value of US$1 in the capital of the Company into 5,000,000 ordinary shares of a nominal or par value of US$0.01. Following such stock split, the Board of Directors on Mach 16, 2018, approved an increase of the authorized ordinary shares to 30,000,000 shares. On March 20, 2018, the Board of Directors adopted another consent resolution to decrease the issued and outstanding ordinary shares to 3,200,000, by way of share surrender by then existing shareholders on a pro rata basis and related cancelation. All the existing shareholders and directors of the Company consider the stock split of original 50,000 ordinary shares on March 15, 2018 and the subsequent reorganization of shares by way of share surrender on March 20, 2018 as part of the company’s recapitalization to result in 3,200,000 ordinary shares issued and outstanding prior to completion of its initial public offering. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  | 4,381,033 | 4,381,033 |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding |  |  |  |  | 4,381,033 | 4,381,033 |  |  |  |  |  |  |  |  |  |  |  |
Percentage of statutory reserve after tax |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of reserve out of registered capital |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory reserve (in Dollars) | $ |  |  |  |  | $ 323,820 | $ 231,424 |  |  |  |  |  |  |  |  |  |  |  |
Increase in subscription capital | $ |  |  |  |  |  |  | $ 57,236 |  |  |  |  |  |  |  |  |  |  |
Warrants issued for services, description |  |  | the company issued warrants to underwriter (Network 1 Financial Securities, Inc.) and its employees to purchased 59,052 ordinary shares at an exercise price of 125% of the IPO price, namely $6.25 dollars per share, at any time or from time to time from August 13, 2019 (the “Exercise Date”), and at or before 5:00 p.m., Eastern time, February 14, 2022 (the “Expiration Date”). |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted of warrants (in Dollars) | $ |  | $ 295,260 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distance Learning [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  | 65.00% |  |  |  |  |  |
Individual Shareholders Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  | 35.00% |  |  |  |  |  |
Guizhou Huafu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51.00% |
RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49.00% |
Capital contribution | $ |  |  |  |  |  |  |  |  |  | $ 11,447 |  |  | $ 30,526 |  | $ 10,882 |  |  |
RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital contribution | ¥ |  |  |  |  |  |  |  |  |  |  | ¥ 75,000 |  |  |  |  |  |  |
Increase in subscription capital | ¥ |  |  |  |  |  |  |  | ¥ 375,000 |  |  |  |  |  |  |  |  |  |
RMB [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital contribution | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 200,000 |  | ¥ 75,000 |  |
IPO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of ordinary shares | 1,181,033 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) | $ / shares | $ 5.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total gross proceeds (in Dollars) | $ | $ 5,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in subscription capital | ¥ |  |  |  |  |  |  |  |  | ¥ 5,000,000 |  |  |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in subscription capital | ¥ |  |  |  |  |  |  |  |  | ¥ 6,250,000 |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000
Common stock, par value (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.00
Capital contributions shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000

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