Borrowings (Details) - ZHEJIANG TIANLAN - CNY (¥) ¥ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current portion	¥ 32,275	¥ 29,438
Non-current portion	23,178	54,630
Total borrowings by the Company	¥ 55,453	¥ 84,068

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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