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9. Property, plant and equipment (Details 1) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2014 CNY (¥)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 CNY (¥)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 CNY (¥)	Dec. 31, 2012 USD ($)
Depreciation charge | $		$ 88		$ 108		$ 130
ZHEJIANG TIANLAN
Depreciation charge	¥ 2,985		¥ 2,956		¥ 3,017
ZHEJIANG JIAHUAN
Depreciation charge	¥ 2,408		¥ 2,461		¥ 2,028

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

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