18.

Inventories


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

Raw materials		904,737		1,188,396		187,758
Work in progress		26,807		34,924		5,518
Finished goods		732,335		1,349,425		213,199

Total inventories at the lower of cost and net realizable value		1,663,879		2,572,745		406,475


	31.12.2015			31.12.2016			31.12.2017			31.12.2017
	RMB’000			RMB’000			RMB’000			US$’000

Inventories recognized as an expense in cost of sales		9,566,699			9,308,265			11,021,960			1,741,391
Inclusive of the following charge/(credit):
- Inventories written down		59,339			48,202			17,492			2,764
- Reversal of write-down of inventories		(24,079	)		(53,373	)		(37,393	)		(5,908	)

The reversal of write-down of inventory was made when the related inventories were sold above their carrying value.