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Concentration of Risks (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Concentration of Risk |  |  |
Percentage depreciation in foreign currency exchange rate | 2.90% | 8.20% | 2.30%
Revenue Benchmark | One Customer | Customer Concentration Risk |  |  |
Concentration of Risk |  |  |
Concentration risk percentage | 15.00% | 20.00% | 22.00%
Revenue Benchmark | Two customer | Customer Concentration Risk |  |  |
Concentration of Risk |  |  |
Concentration risk percentage | 12.00% | 11.00% | 13.00%
Contract asset | Two Customers | Customer Concentration Risk |  |  |
Concentration of Risk |  |  |
Concentration risk percentage | 10.00% | 10.00% |
Contract asset | One Customer | Customer Concentration Risk |  |  |
Concentration of Risk |  |  |
Concentration risk percentage |  | 10.00% |

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