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Prepayments and other current assets (Details) ¥ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | --- | ---
Deposits paid | $ 243,000 |  | $ 838,000 |
Prepayments | 104,000 |  | 168,000 |
Other receivables | 222,000 |  | 250,000 |
Other tax recoverable | 3,000 |  | 258,000 |
Prepayments and other current assets | 572,000 |  | 1,514,000 |
ZHEJIANG TIANLAN |  |  |  |
Prepayments | ¥ |  | ¥ 22,717 |  | ¥ 16,632
Prepayments and other current assets | ¥ |  | 33,498 |  | 28,387
Deposits paid for bidding projects and temporary payments | ¥ |  | 7,030 |  | 10,448
Other current assets | ¥ |  | ¥ 3,751 |  | ¥ 1,307
ZHEJIANG TIANLAN |  |  |  |
Other receivables | $ 13,988,000 |  | $ 10,448,000 |

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