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Intangible assets, net (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Group's intangible assets

The following table summarizes the Group’s intangible assets:

		December 31,
		2017				2018
		RMB				RMB
Gross carrying amount
Operating rights			47,020				67,080
Software			34,413				39,535
License			-				32,000
Domain names			25,774				26,819
Technology			17,676				18,094
Total of gross carrying amount			124,883				183,528
Less: accumulated amortization
Operating rights			(40,320	)			(48,451	)
Software			(19,448	)			(28,406	)
License			-				(1,422	)
Domain names			(9,687	)			(11,213	)
Technology			(10,695	)			(11,856	)
Total accumulated amortization			(80,150	)			(101,348	)
Less: accumulated impairment			(7,252	)			(7,495	)
Intangible assets, net			37,481				74,685

Schedule of weighted average amortization periods of intangible assets

The weighted average amortization periods of intangible assets as of December 31, 2017 and 2018 are as below:

		December 31,
		2017				2018
Domain names			15 years				15 years
License			Not applicable				15 years
Software			4 years				4 years
Operating rights			1 year				2 year
Technology			5 years				Not applicable

Other Intangible Assets [Member]

Schedule of estimated amortization expenses

The estimated amortization expenses for each of the following five years are as follows:

		Amortization expense of intangible assets
		RMB
2019			22,710
2020			13,010
2021			4,563
2022			4,060
2023			3,978

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