17. Pension plan (Details Narrative) ¥ 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 USD ($)
Aggregate contributions to pension plans and retirement benefit schemes \| $		$ 378		$ 353	$ 364
ZHEJIANG JIAHUAN
Aggregate contributions to pension plans and retirement benefit schemes \| ¥	¥ 1,324		¥ 1,963

The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

Name:	us-gaap_PensionContributions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration