2. Summary of significant accounting policies (Details Narrative 1) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 ZHEJIANG CNY	Dec. 31, 2011 ZHEJIANG CNY	Dec. 31, 2010 ZHEJIANG CNY
Research and Development Costs	$ 930	$ 200	$ 24	14,890	11,560	6,182
Advertising and promotional expenses	$ 21	$ 61	$ 63	26	128	10

- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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