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Bank borrowings (Details) - ZHEJIANG TIANLAN - CNY (¥) ¥ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Bank loan |  | ¥ 20,029 | ¥ 26,841
Bank Loan Borrowed by the Company |  |  |
Bank loan | [1] | 10,014 | 21,834
Bank Loan Borrowed by Subsidiaries of the Company |  |  |
Bank loan | [2] | ¥ 10,015 | ¥ 5,007
[1] | The bank loans are denominated in Renminbi and are repayable within 1 year. The bank loans borrowed by the Company as of December 31, 2020 bears interest at fixed rates of 4.79% (2019: 4.57% to 6.33%) per annum. Interest paid during the year ended December 31, 2020 was approximately RMB1,377,000 (2019: RMB1,991,000 and 2018: RMB2,089,000).
[2] | The bank loans are denominated in Renminbi and are repayable within 1 year. The bank loans borrowed by subsidiaries of the Company as of December 31, 2020 bears interest at a fixed rate ranging from 4.5% to 4.79% (2019: 5.22%) per annum and are secured by the subsidiary's office premises and leasehold improvements and land use right. Interest paid during the year ended December 31, 2020 was approximately RMB287,000 (2019: RMB246,000 and 2018: RMB278,000).

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- Definition Amount of short-term bank loan secured by broker-dealer customer's security. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Rule 15c3-1 -Number 240 -Section 15c3-1 + Details
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