Consolidated Statements of Income and Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Consolidated Statements of Income and Comprehensive Income [Abstract]
Net sales	$ 16,199,710	$ 10,471,502
Cost of goods sold	10,834,719	6,078,030
Gross profit	5,364,991	4,393,472
Operating expense:
Research and development	1,500,217	999,209
General and administrative	2,058,481	1,697,377
Total operating expense	3,558,698	2,696,586
Income from operations	1,806,293	1,696,886
Other income (expense):
Interest income	45,521	45,405
Foreign currency transaction loss	(28,037)	(1,865)
Government subsidized income	13,961	15,487
Miscellaneous expense, net	(139,213)	(24,957)
Interest expense	(13,057)	(23,507)
Total other income (expense), net	(120,825)	10,563
Income before provision for income taxes, and non-controlling interest	1,685,468	1,707,449
Provision for (benefit from) income tax	(306,780)	86,570
Net income before non-controlling interest	1,992,248	1,620,879
Non-controlling interest income (loss)	(171,628)	431
Net income	2,163,876	1,620,448
Comprehensive income statement:
Net income	1,992,248	1,620,879
Foreign currency translation gain (loss)	(1,016,433)	549,893
Total comprehensive income	$ 975,815	$ 2,170,772
Earnings per Share, Basic [Abstract]
Net income (loss) before non-controlling interest (in dollars per share)	$ 0.06	$ 0.05
Non-controlling interest (in dollars per share)	0	0
Earnings per share to stockholders (in dollars per share)	0.06	0.05
Earnings per share - Diluted [Abstract]
Net income (loss) before non-controlling interest (in dollars per share)	0.06	0.05
Non-controlling interest (in dollars per share)	0	0
Earnings per share to stockholders (in dollars per share)	$ 0.06	$ 0.05
Weighted average number of common shares outstanding:
Basic (in shares)	35,030,339	35,030,339
Diluted (in shares)	35,030,339	35,030,339