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Cash and cash equivalents (Tables) | 12 Months Ended
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Dec. 31, 2021
Text block [abstract] |
Summary of Cash and Bank Balances |
|  | 31.12.2020 RMB’000 |  |  | 31.12.2021 RMB’000 |  |  | 31.12.2021 US$’000 |
Non-current |  |  |  |  |  |  |  |  |  |  |  |
Long-term bank deposits (i) |  |  | 140,000 |  |  |  | 110,000 |  |  |  | 17,399 |
Current |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 5,877,647 |  |  |  | 4,788,219 |  |  |  | 757,366 |
Short-term bank deposits (ii) |  |  | 258,756 |  |  |  | 357,335 |  |  |  | 56,521 |
Restricted cash |  |  | 171,135 |  |  |  | 76,001 |  |  |  | 12,021 |
|  |  | 6,307,538 |  |  |  | 5,221,555 |  |  |  | 825,908 |
Cash and bank balances |  |  | 6,447,538 |  |  |  | 5,331,555 |  |  |  | 843,307 |
Note:
| (i) | In 202 1 , YMMC has placed new three-year time deposits of RMB 20.0 million (US$ 3.2 million) (2020: RMB 90.0 million) at annual interest rate of 3.85% (2020: range from 3.85% to 3.99%) with certain banks. These long-term deposits are not considered to be cash equivalents.
As at December 31, 2021, the three-year time deposits placed in 2019 has remaining maturity period of less than 12 months. Accordingly, this has been classified as short-term bank deposits in 2021.
| (ii) | Short-term bank deposits relate to bank deposits with initial maturities of more than three months and subject to more than insignificant risk of changes in value upon withdrawal before maturity. The interest rate of these bank deposits as of December 31, 2021 for the Group ranged from 0.30% to 1.65% (2020: 0.23% to 2.25%). These short-term bank deposits are not considered as cash equivalents.
Summary of cash and cash equivalents | For the purpose of the statement of cash flows, cash and cash equivalents comprise the following at December 31:
|  | 31.12.2020 |  |  | 31.12.2021 |  |  | 31.12.2021 |
|  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Cash at banks and on hand |  |  | 5,466,288 |  |  |  | 4,218,131 |  |  |  | 667,194 |
Short-term bank deposits (i) |  |  | 411,359 |  |  |  | 570,088 |  |  |  | 90,172 |
Cash and cash equivalents |  |  | 5,877,647 |  |  |  | 4,788,219 |  |  |  | 757,366 |
Note:
| (i) | This relates to other short-term, highly liquid investments with original maturities of three months or less that are readily convertible to known amounts of cash and which are subject to an insignificant risk of changes in value.

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- Definition Disclosure of detailed information of cash and bank balances. + References No definition available. + Details
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