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9. Property, plant and equipment (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2014 CNY (¥) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 CNY (¥) | Dec. 31, 2013 USD ($)
--- | --- | --- | --- | ---
Office premises | $ |  | $ 1,866 |  | $ 1,866
Leasehold improvements | $ |  | 160 |  | 160
Furniture, fixtures and office equipment | $ |  | 637 |  | 627
Motor vehicles | $ |  | 155 |  | 155
Testing equipment | $ |  | 30 |  | 30
Gross | $ |  | 2,848 |  | 2,838
Less: Accumulated depreciation | $ |  | (2,037) |  | (1,949)
Net | $ |  | $ 811 |  | $ 889
ZHEJIANG TIANLAN |  |  |  |
Office premises | ¥ 47,091 |  | ¥ 47,092 |
Furniture, fixtures and office equipment | 9,629 |  | 8,511 |
Motor vehicles | 3,682 |  | 3,258 |
Plant and machineries | 715 |  | 711 |
Construction in progress | 115,645 |  | 437 |
Gross | 176,762 |  | 60,009 |
Less: Accumulated depreciation | (14,838) |  | (11,918) |
Net | 161,924 |  | 48,091 |
ZHEJIANG JIAHUAN |  |  |  |
Motor vehicles | 1,124 |  | 1,125 |
Buildings | 34,493 |  | 33,707 |
Plant and machineries | 7,780 |  | 7,938 |
Office equipment | 2,936 |  | 2,899 |
Gross | 46,333 |  | 45,669 |
Less: Accumulated depreciation | (20,475) |  | (18,067) |
Net | ¥ 25,858 |  | ¥ 27,602 |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + 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 (c) -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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