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Other Receivables, Net (Details 1) - USD ($)
 6 Months Ended 12 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Other Receivables Net [Abstract]    
Beginning balance $ 263,049 $ 208,097
Provision for doubtful accounts 65,420 62,726
Exchange rate effect (3,004) (7,774)
Ending balance $ 325,465 $ 263,049