6. Intangible Assets - Net (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of land use rights

The land use right term	March 31, 2019			December 31, 2018
May, 2013 - Apr. 2063	$	536,438		$	523,619
Dec. 2015 - Sept. 2065		201,156			196,349
Dec. 2015 – Sept. 2065		24,480			23,896
Intangible assets- total		762,074			743,864
Less: accumulated amortization		(77,251	)		(71,686	)
Intangible assets, net	$	684,823		$	672,178