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NOTES TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Lease liabilities [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning |  | ¥ 803 |
Changes from financing cash flows |  | (1,188) |
New leases |  | 1,439 |
Foreign exchange movement |  |  |
Interest expense |  | 38 |
At end |  | 1,092 | ¥ 803
Due to the related companies [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning |  | 5,077 | 4,041
Changes from financing cash flows |  | 4,081 | 1,036
New leases |  |  |
Foreign exchange movement |  |  |
Interest expense |  |  |
At end |  | 9,158 | 5,077
Due to the related companies [Member] | USD [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning | $ | $ 777 |  |
Changes from financing cash flows | $ | 625 |  |
New leases | $ |  |  |
Foreign exchange movement | $ |  |  |
Interest expense | $ |  |  |
At end | $ | 1,402 |  |
Due to the shareholder [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning |  | 7,097 | 6,973
Changes from financing cash flows |  | 462 |
New leases |  |  |
Foreign exchange movement |  | (410) | 124
Interest expense |  |  |
At end |  | 7,149 | 7,097
Due to the shareholder [Member] | USD [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning | $ | 1,087 |  |
Changes from financing cash flows | $ | 69 |  |
New leases | $ |  |  |
Foreign exchange movement | $ | (61) |  |
Interest expense | $ |  |  |
At end | $ | 1,095 |  |
Lease liabilities [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning |  | ¥ 803 | 1,803
Changes from financing cash flows |  |  | (1,060)
Foreign exchange movement |  |  |
Interest expense |  |  | 60
At end |  |  | ¥ 803
Lease liabilities [Member] | USD [Member] |  |  |
Statement Line Items [Line Items] |  |  |
At beginning | $ | 123 |  |
Changes from financing cash flows | $ | (182) |  |
New leases | $ | 220 |  |
Foreign exchange movement | $ |  |  |
Interest expense | $ | 6 |  |
At end | $ | $ 167 |  |

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