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CONCENTRATION OF RISKS (Narrative) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 17, 2014	Apr. 16, 2012
Foreign currency exchange rate risk
Daily floating range of RMB trading prices against the U.S. dollar (as a percent)				2.00%
Appreciation and depreciation of the RMB against US dollar (as a percent)	7.20%	4.40%	2.50%
Minimum [Member]
Foreign currency exchange rate risk
Daily floating range of RMB trading prices against the U.S. dollar (as a percent)					0.50%
Maximum [Member]
Foreign currency exchange rate risk
Daily floating range of RMB trading prices against the U.S. dollar (as a percent)					1.00%
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]
Concentration Risk [Line Items]
Concentration risk percentage	28.00%	25.00%	23.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member]
Concentration Risk [Line Items]
Concentration risk percentage	72.00%	94.00%	86.00%
Number of entities comprising risk benchmark	5	5	5

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- Definition

Represents percentage of daily floating range of RMB trading prices against the U.S. dollar.

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Number Of Entities Comprising Risk Benchmark

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592

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-SubTopic 10
-Section 50
-Paragraph 21
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