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v3.22.2.2

Contract assets and liabilities (Details 2) ¥ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | --- | ---
Contract assets: unbilled revenue | $ 74,000 |  | $ 202,000 |
Contract liabilities: deferred revenue | (1,076,000) |  | (1,063,000) |
Net contract (liabilities) / assets | (1,002,000) |  | (861,000) |
ZHEJIANG TIANLAN |  |  |  |
Contract assets: unbilled revenue | ¥ |  | ¥ 72,310 |  | ¥ 94,494
Contract liabilities: deferred revenue | ¥ |  | (37,481) |  | (47,135)
Net contract (liabilities) / assets | ¥ |  | ¥ 34,829 |  | ¥ 47,359
ZHEJIANG TIANLAN |  |  |  |
Contract liabilities: deferred revenue | $ (55,898,000) |  | $ (47,135,000) |

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