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Summary of Significant Accounting Policies (Details Textual) - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 22, 2017 | Jun. 30, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2018
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 50 years |  |
Allowance for doubtful accounts |  | $ 232,355 | $ 4,166,315 |  | $ 4,166,315 |  | $ 232,355
Advances to suppliers |  | $ 13,819 | 131,711 |  | $ 131,711 |  | $ 13,819
Foreign currency translation adjustment, description |  |  |  |  | The exception of equity, at March 31, 2019 and June 30, 2018 were translated at 1 RMB to 0.1490 USD and at 1 RMB to 0.1511 USD, respectively. The average translation rates applied to the income and cash flow statement amounts for the nine months ended March 31, 2019 and 2018 were at 1 RMB to 0.1482 USD and at 1 RMB to 0.1527 USD, respectively. The average translation rates applied to income and cash flow statement amounts for the three months ended March 31, 2019 and 2018 were at 1 RMB to 0.1482 USD and at 1 RMB to 0.1573 USD, respectively. |  |
U.S. statutory federal rate |  | 28.00% |  |  |  |  | 21.00%
Estimated income tax expense |  |  | $ 174,359 | $ 239,612 | $ 618,505 | $ 834,647 |
Value added tax rate description |  |  |  |  | Before May 1, 2018, all of the Company's products that were sold in the PRC were subject to a Chinese value-added tax at a rate of 17% of the gross sales price, and after May 1, 2018, the Company subject a tax rate of 16% based on the new Chinese tax law. |  |
Income tax expense |  |  |  |  |  |  | $ 744,766
Description of income taxes percentage |  |  |  |  | The transition tax over an eight-year period using specified percentages (eight percent per year for the first five years, 15 percent in year six, 20 percent in year seven, and 25 percent in year eight). |  |
Land Use Rights [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 50 years |  |
Minimum [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
U.S. corporate tax rate | 21.00% |  |  |  |  |  |
Percentage of voting stock |  |  | 20.00% |  | 20.00% |  |
Maximum [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
U.S. corporate tax rate | 35.00% |  |  |  |  |  |
Percentage of voting stock |  |  | 50.00% |  | 50.00% |  |

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