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2. Summary of significant accounting policies (Details Narrative 1)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
ZHEJIANG
CNY
Dec. 31, 2012
ZHEJIANG
CNY
Dec. 31, 2011
ZHEJIANG
CNY
Research and Development Costs $ 427 $ 930 $ 200 15,018 14,890 11,560
Advertising and promotional expenses $ 12 $ 21 $ 61 25 26 128