Summary of Significant Accounting Policies (Details 4) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Shipping and management agency services	$ 500,000	$ 889,070	$ 1,000,000	$ 889,070
Inland transportation management services		420,000		1,340,000
Freight logistics services	1,503,500	8,978,923	2,745,641	14,466,476
Container trucking services	17,624	227,294	61,709	319,274
Total	$ 2,021,124	$ 10,515,287	$ 3,807,350	$ 17,014,820