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PROPERTY AND EQUIPMENT, NET (Details)
|
12 Months Ended | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
USD ($)
|
Dec. 31, 2013
CNY
|
Dec. 31, 2012
CNY
|
Dec. 31, 2011
CNY
|
Dec. 31, 2013
Company excluding Shanghai JNet
USD ($)
|
Dec. 31, 2013
Company excluding Shanghai JNet
CNY
|
Dec. 31, 2012
Company excluding Shanghai JNet
CNY
|
Dec. 31, 2011
Company excluding Shanghai JNet
CNY
|
Dec. 31, 2013
Company excluding Shanghai JNet
Cost of revenue
USD ($)
|
Dec. 31, 2013
Company excluding Shanghai JNet
Cost of revenue
CNY
|
Dec. 31, 2012
Company excluding Shanghai JNet
Cost of revenue
CNY
|
Dec. 31, 2011
Company excluding Shanghai JNet
Cost of revenue
CNY
|
Dec. 31, 2013
Company excluding Shanghai JNet
Sales and marketing expenses
USD ($)
|
Dec. 31, 2013
Company excluding Shanghai JNet
Sales and marketing expenses
CNY
|
Dec. 31, 2012
Company excluding Shanghai JNet
Sales and marketing expenses
CNY
|
Dec. 31, 2011
Company excluding Shanghai JNet
Sales and marketing expenses
CNY
|
Dec. 31, 2013
Company excluding Shanghai JNet
General and administrative expenses
USD ($)
|
Dec. 31, 2013
Company excluding Shanghai JNet
General and administrative expenses
CNY
|
Dec. 31, 2012
Company excluding Shanghai JNet
General and administrative expenses
CNY
|
Dec. 31, 2011
Company excluding Shanghai JNet
General and administrative expenses
CNY
|
Dec. 31, 2013
Company excluding Shanghai JNet
Research and development expenses
USD ($)
|
Dec. 31, 2013
Company excluding Shanghai JNet
Research and development expenses
CNY
|
Dec. 31, 2012
Company excluding Shanghai JNet
Research and development expenses
CNY
|
Dec. 31, 2011
Company excluding Shanghai JNet
Research and development expenses
CNY
|
Dec. 31, 2013
Optical fibers
USD ($)
|
Dec. 31, 2013
Optical fibers
CNY
|
Dec. 31, 2012
Optical fibers
CNY
|
Dec. 31, 2013
Computer equipment
USD ($)
|
Dec. 31, 2013
Computer equipment
CNY
|
Dec. 31, 2012
Computer equipment
CNY
|
Dec. 31, 2013
Furniture and fixtures
USD ($)
|
Dec. 31, 2013
Furniture and fixtures
CNY
|
Dec. 31, 2012
Furniture and fixtures
CNY
|
Dec. 31, 2013
Leasehold improvements
USD ($)
|
Dec. 31, 2013
Leasehold improvements
CNY
|
Dec. 31, 2012
Leasehold improvements
CNY
|
Dec. 31, 2013
Motor vehicles
USD ($)
|
Dec. 31, 2013
Motor vehicles
CNY
|
Dec. 31, 2012
Motor vehicles
CNY
|
|
| PROPERTY AND EQUIPMENT, NET | |||||||||||||||||||||||||||||||||||||||
| Property and equipment, at cost | $ 92,897,000 | 562,364,000 | 465,151,000 | $ 2,164,000 | 13,100,000 | 13,100,000 | $ 84,918,000 | 514,059,000 | 424,808,000 | $ 1,517,000 | 9,185,000 | 7,538,000 | $ 3,258,000 | 19,725,000 | 15,499,000 | $ 1,040,000 | 6,295,000 | 4,206,000 | |||||||||||||||||||||
| Less: accumulated depreciation | (53,135,000) | (321,662,000) | (285,860,000) | ||||||||||||||||||||||||||||||||||||
| Less: accumulated impairment | (9,000) | (52,000) | (52,000) | ||||||||||||||||||||||||||||||||||||
| Property and equipment, net | 39,753,000 | 240,650,000 | 179,239,000 | ||||||||||||||||||||||||||||||||||||
| Depreciation expenses | $ 9,891,000 | 59,876,000 | 59,890,000 | 67,351,000 | $ 9,891,000 | 59,876,000 | 59,890,000 | 67,345,000 | $ 7,529,000 | 45,581,000 | 51,911,000 | 63,318,000 | $ 46,000 | 280,000 | 712,000 | 855,000 | $ 943,000 | 5,706,000 | 1,171,000 | 1,073,000 | $ 1,373,000 | 8,309,000 | 6,096,000 | 2,099,000 | |||||||||||||||