Trade Accounts and Bills Payable (Tables)

9 Months Ended

Sep. 30, 2018

Schedule of Other Short-term Loan [Table Text Block]

		December 31,		September 30,
		2017		2018
Trade accounts payable	$	29,805,350	$	26,684,247
Bills payable
-      Bank acceptance bills (Note 12)		34,025,080		33,427,220
-      Commercial acceptance bills		1,786,113		1,073,255
	$	65,616,543	$	61,184,722