Inventories (Tables)

12 Months Ended

Dec. 31, 2022

Classes of current inventories [abstract]

Inventories

(a) Inventories in the consolidated statements of financial position comprise:

	As at 31 December 2021							As at 31 December 2022
	Gross carrying amount		Provision for diminution in value of inventories			Carrying amount		Gross carrying amount		Provision for diminution in value of inventories			Carrying amount
	RMB’000		RMB’000			RMB’000		RMB’000		RMB’000			RMB’000
Raw materials		4,391,555		(13,406	)		4,378,149		5,700,215		(26,491	)		5,673,724
Work in progress		795,791		(105,450	)		690,341		756,007		(237,959	)		518,048
Finished goods		709,990		(45,950	)		664,040		1,096,623		(182,035	)		914,588
Spare parts and consumables		249,456		(58,461	)		190,995		246,161		(58,461	)		187,700
		6,146,792		(223,267	)		5,923,525		7,799,006		(504,946	)		7,294,060