v3.21.2

Related Party Balance and Transactions (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2021
Related Party Transactions [Abstract] |
Schedule of outstanding amounts due from related party |
|  | June 30, |  |  | June 30, |
|  | 2021 |  |  | 2020 |
Tianjin Zhiyuan Investment Group Co., Ltd. (1) |  | $ | 384,331 |  |  | $ | 484,331 |
Zhejiang Jinbang Fuel Energy Co., Ltd (2) |  |  | 430,902 |  |  |  | - |
Less: allowance for doubtful accounts |  |  | (384,331 | ) |  |  | (48,433 | )
Total |  | $ | 430,902 |  |  | $ | 435,898 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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- References No definition available. + Details
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