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Summary of Significant Accounting Policies (Details Textual) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 22, 2017 | Sep. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2018
Summary of Significant Accounting Policies (Textual) |  |  |  |
Allowance for doubtful accounts |  | $ 4,577,770 | $ 4,323,141 |
Advances to suppliers |  | $ 1,254,051 | $ 431,646 |
Estimated useful life |  | 50 years |  |
Foreign currency translation adjustment, description |  | The exception of equity, at September 30, 2019 and June 30, 2019 were translated at 1 RMB to 0.1401 USD and at 1 RMB to 0.1456 USD, respectively. The average translation rates applied to the income and cash flow statement amounts for the three months ended September 30, 2019 and 2018 were at 1 RMB to 0.1425 USD and at 1 RMB to 0.1470 USD, respectively. |  |
U.S. statutory federal rate |  |  | 21.00% | 28.00%
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
Additional operating liabilities |  | $ 428,863 |  |
Right of use assets |  | $ 3,241,426 |  |
Transition tax payment, description |  | The Company elects to pay 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% |  |
Maximum [Member] |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |
U.S. corporate tax rate | 35.00% |  |  |
Percentage of voting stock |  | 50.00% |  |

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