Segment Information (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Revenues:
Revenues	$ 12,832,863	$ 12,608,181	$ 22,242,092	$ 30,174,561
Depreciation:
Depreciation	1,545,166	1,326,757	3,092,511	2,503,759
Interest expense:
Interest expense	70,363	32,826	160,396	62,528
Net income (loss):
NET INCOME	1,071,370	1,169,959	1,374,165	3,835,119
Identifiable long-lived tangible assets at June 30, 2012 and December 31, 2011 by segment:
Identifiable long-lived tangible assets	64,668,749		64,668,749		64,042,079
Identifiable long-lived tangible assets at June 30, 2012 and December 31, 2011 by geographical location:
Identifiable long-lived tangible assets	64,668,749		64,668,749		64,042,079
Forged Rolled Rings and Related Components [Member]
Revenues:
Revenues	8,208,210	8,706,888	13,793,665	22,124,245
Depreciation:
Depreciation	1,215,536	1,092,426	2,432,705	2,106,172
Interest expense:
Interest expense	52,563	32,826	130,196	62,528
Net income (loss):
NET INCOME	750,036	1,048,738	1,076,705	3,490,411
Identifiable long-lived tangible assets at June 30, 2012 and December 31, 2011 by segment:
Identifiable long-lived tangible assets	51,621,902		51,621,902		51,930,395
Dyeing and Finishing Equipment [Member]
Revenues:
Revenues	4,624,653	3,901,293	8,448,427	8,050,316
Depreciation:
Depreciation	329,630	234,331	659,806	397,587
Interest expense:
Interest expense	17,800		30,200
Net income (loss):
NET INCOME	506,797	406,206	916,140	829,648
Identifiable long-lived tangible assets at June 30, 2012 and December 31, 2011 by segment:
Identifiable long-lived tangible assets	13,046,847		13,046,847		12,111,684
Other Segment [Member]
Net income (loss):
NET INCOME	(185,463)	(284,985)	(618,680)	(484,940)
China
Identifiable long-lived tangible assets at June 30, 2012 and December 31, 2011 by geographical location:
Identifiable long-lived tangible assets	64,668,749		64,668,749		64,042,079
UNITED STATES
Identifiable long-lived tangible assets at June 30, 2012 and December 31, 2011 by geographical location:
Identifiable long-lived tangible assets