Investments (Tables)

12 Months Ended

Dec. 31, 2014

Investments Schedule [Abstract]

Summary of Investments

	2013			2014			2014
	Rmb			Rmb			US$
Trading securities:
Adjusted cost		78,291			73,531			11,851
Unrealized gains		4,098			936			151
Unrealized losses		(45,820	)		(43,835	)		(7,065	)
Total at fair value		36,569			30,632			4,937
Equity securities listed in Hong Kong		19,433			11,602			1,870
Equity securities listed in Singapore		17,136			19,030			3,067
Total		36,569			30,632			4,937
Available-for-sale securities:
Equity securities listed in Hong Kong:
Cost		13,697			14,023			2,260
Impairment recognized in earnings		—			—			—
Adjusted amortized cost		13,697			14,023			2,260
Unrealized gains		7,041			5,664			913
Exchange differences		(108	)		50			8
Total at fair value		20,630			19,737			3,181