12. Unrestricted Net Assets (Details-Operations) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Statement of Operations
Net sales	$ 41,012,840	$ 40,242,146
Cost of goods sold	(38,525,545)	(37,833,633)
Operating expenses	(2,481,313)	(2,308,130)
(Loss)/Income from operations	5,982	100,383
Other income and (expense)
Interest income	2,784	(78)
Other income	3,737	5,702
Income tax benefit (payable)	(71,575)	25,351
Total other income	7,098	5,624
Net income	84,655	80,656
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Statement of Operations
Net sales	34,005,056	31,062,065
Cost of goods sold	(32,744,166)	(29,934,810)
Operating expenses	(1,267,012)	(1,102,978)
(Loss)/Income from operations	(6,122)	24,277
Other income and (expense)
Interest income	1,306	94
Other income	1,761	4,875
Realized gain on investment	0	0
Income tax benefit (payable)	83,725	(14,829)
Total other income	86,276	(9,860)
Net income	$ 80,670	$ 14,417