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NET REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2019
NET REVENUE |
Table illustrates disaggregation of the Group's revenue streams by type of customers and nature of services the Group offered |
|  | Year Ended December 31,
|  | 2017 |  | 2018 |  | 2019
Product Revenues |  | 949,217 |  | 1,770,227 |  | 3,929,698
B2C Business |  | 862,327 |  | 847,476 |  | 763,254
B2B Business |  | 86,890 |  | 922,751 |  | 3,166,444
Service Revenues |  | 10,269 |  | 15,743 |  | 22,355
MP Service |  | 8,767 |  | 12,375 |  | 17,239
Other Services |  | 1,502 |  | 3,368 |  | 5,116
Total |  | 959,486 |  | 1,785,970 |  | 3,952,053
Schedule of movements of the Group's accounts receivable and advances from customers |
|  | Accounts |  | Advances from
|  | Receivable |  | Customers
Opening Balance as of January 1, 2018 |  | 20,398 |  | 11,722
Increase/(decrease), net |  | 8,171 |  | 3,767
Ending Balance as of December 31, 2018 |  | 28,569 |  | 15,489
Increase/(decrease), net |  | 36,678 |  | 47,967
Ending Balance as of December 31, 2019 |  | 65,247 |  | 63,456

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