Trade and bill receivables (Tables)

12 Months Ended

Dec. 31, 2017


	31.12.2016		31.12.2017		31.12.2017
	RMB’000		RMB’000		US$’000

Trade receivables, net		241,168		212,104		33,511
Bill receivables ⁽ⁱ⁾		6,816,088		6,819,440		1,077,423

Total (Note 36)		7,057,256		7,031,544		1,110,934

⁽ⁱ⁾

As of December 31, 2017, bill receivables include bills issued by joint venture and other related parties amounted to RMB 69,816 (US$11,030) (2016: RMB 45,000) and RMB 23,832 (US$3,765) (2016: RMB 3,968) respectively.

Analysis of Impairment of Doubtful Receivables

An analysis of the impairment of trade receivables is as follows:


	31.12.2016			31.12.2017			31.12.2017
	RMB’000			RMB’000			US$’000

At January 1		51,288			54,634			8,632
Charge/(credit) to consolidated statement of profit or loss		3,696			(10,854	)		(1,715	)
Written off		(346	)		(5	)		(1	)
Translation differences		(4	)		—			—

At December 31		54,634			43,775			6,916

Age Analysis of Trade and Bills Receivables


			Neither past due		Past due but not impaired
	Total		nor impaired		0 – 90 days		91-180 days		181-365 days		>365 days
	RMB’000		RMB’000		RMB’000		RMB’000		RMB’000		RMB’000

At 31.12.2017		7,031,544		6,919,347		59,966		21,457		29,857		917
At 31.12.2016		7,057,256		6,995,511		37,902		12,062		9,654		2,127