Summary of Significant Accounting Policies (Details 4) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Accounting Policies [Abstract]
Shipping and management agency services	$ 500,000	$ 956,583	$ 1,500,000	$ 1,845,653
Inland transportation management services		129,787		1,469,787
Freight logistics services	853,979	21,599,675	3,599,620	36,066,151
Container trucking services		87,094	61,709	406,368
Total	$ 1,353,979	$ 22,773,139	$ 5,161,329	$ 39,787,959