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Short-term and long-term investments | 12 Months Ended
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Dec. 31, 2020
ZHEJIANG TIANLAN |
Short-term and long-term investments | The Group's short-term investments consist of wealth management products and long-term investments consist of minority ownership interests in Nil (2019: one) limited liability company, generally from private equity arrangements. These investments are carried under the equity method of accounting, with changes in the carrying value reported as realized gains or losses in the consolidated financial statements.

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- Definition The entire disclosure for investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -URI http://asc.fasb.org/topic&trid=75115024 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -URI http://asc.fasb.org/topic&trid=2197064 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI http://asc.fasb.org/topic&trid=2196965 + Details
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