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Taxes (Details Textual) - USD ($) | 9 Months Ended | 12 Months Ended
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Mar. 31, 2019 | Jun. 30, 2018
Taxes (Textual) |  |
Income taxes percentage, 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). |
Estimated income tax expense |  | $ 744,766
Value added tax rate, description | The applicable VAT rate is 17% before May 1, 2018 for products sold in the PRC and decreased to 16% thereafter. |
Statutory rate | 25.00% |

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