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Inventories, net (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥)
--- | --- | --- | ---
Inventories |  |  |
Inventories, net | $ 3,170,759 | ¥ 20,539,543 | ¥ 12,190,843
Products |  |  |
Inventories |  |  |
Inventories, net |  | 20,436,275 | 12,119,359
Packing materials and others |  |  |
Inventories |  |  |
Inventories, net |  | ¥ 103,268 | ¥ 71,484

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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51655945&loc=d3e3927-108312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
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