Restricted Net Assets (Details) - USD ($)	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Current Assets:
Cash and cash equivalents	$ 150,805,639	$ 123,031,537	$ 102,877,475
Total Current Assets	407,426,651	370,954,462
Total Assets	482,985,960	455,681,630
Current Liabilities:
Accounts payable	27,128,921	19,643,897
Amount due to related parties	3,271,619	3,071,102
Other payables and accrued expenses	10,207,058	9,066,465
Total Current Liabilities	83,066,274	49,718,115
Stockholders' Equity
Common stock, $.001 par value, 115,197,165 shares authorized, 38,896,945 and 38,551,265 shares issued and outstanding as of June 30, 2018 and June 30, 2017, respectively	38,897	38,551
Additional paid in capital	129,337,035	128,915,651
Accumulated other comprehensive income	(3,598,215)	(5,127,443)
Retained earnings	235,822,726	244,738,993
Total Stockholders' Equity	392,547,787	397,528,054	370,484,332
Total Liabilities and Stockholders' Equity	482,985,960	455,681,630
Parent Company [Member]
Current Assets:
Cash and cash equivalents	(29,103,559)	139,969	$ 167,495
Other current assets	71	71
Total Current Assets	17,022	140,040
Long-term equity investment	400,248,804	404,406,925
Total long-term assets	400,248,804	404,406,925
Total Assets	400,248,804	404,546,965
Current Liabilities:
Accounts payable	214,520	214,520
Amount due to related parties	2,183,756	1,988,743
Other payables and accrued expenses	5,319,763	4,815,649
Total Current Liabilities	7,718,039	7,018,913
Stockholders' Equity
Common stock, $.001 par value, 115,197,165 shares authorized, 38,896,945 and 38,551,265 shares issued and outstanding as of June 30, 2018 and June 30, 2017, respectively	38,897	38,551
Additional paid in capital	129,337,035	128,915,651
Accumulated other comprehensive income	(3,598,215)	(5,127,444)
Retained earnings	266,770,070	273,701,295
Total Stockholders' Equity	397,602,656	397,528,052
Total Liabilities and Stockholders' Equity	$ 400,265,826	$ 404,546,965