CASH FLOW GENERATED FROM OPERATIONS (Tables)

12 Months Ended

Dec. 31, 2021

Cash flows from (used in) operating activities [abstract]

Schedule of adjustments for reconciling profit/loss

(a) Reconciliation from profit before income tax to net cash generated from operations:

	2019			2020			2021
	RMB’000			RMB’000			RMB’000
Profit/(loss) before income tax:		1,009,092			(690,745	)		(1,249,586	)
Adjustments for:
Depreciation of fixed assets (Note 6)		1,637,298			1,662,179			1,786,110
Depreciation of right-of-use assets (Note 8)		65,324			65,511			68,410
Impairment of fixed assets (Note 6)		20,697			11,835			16,796
Gains on disposal of assets classified as held for sale		—			(1,188,645	)		—
Provision for impairment of materials and supplies (Note 18)		10,793			—			5,695
Loss on disposal of fixed assets and costs on repairs		161,435			165,253			53,854
Amortization of long-term prepaid expenses (Note 13)		16,438			19,340			27,381
Share of results of associates , net of tax (Note 11)		7,039			(22,162	)		(18,144	)
Dividend income on FVOCI/AFS (Note 32)		(7,047	)		(7,735	)		(9,802	)
Reversal of impairment of receivables		—			(358	)		(40,613	)
Reversal of renovation cost for the separation and transfer of facilities (Note 32)		—			—			(65,937	)
Write-back of outstanding of payables (Note 32)		—			(2,903	)		(20,354	)
Amortization of deferred income		(2,299	)		(8,377	)		(11,164	)
Interest expense on lease liabilities (Note 33)		57,670			57,629			67,648
Interest income		(4,606	)		(8,310	)		(9,927	)
Operating profit before working capital changes		2,971,834			55,415			600,367
(Increase)/decrease in trade receivables		(638,401	)		780,765			(637,544	)
Decrease in materials and supplies		16,438			2,005			28,868
(Increase)/decrease in prepayments and other receivables		(64,221	)		(108,998	)		94,431
Decrease in long-term receivable		6,000			6,155			8,023
Increase in trade payables		98,393			701,825			993,459
Increase/(decrease) in accruals and other payables		358,625			159,454			(84,724	)
Net cash generated from operations		2,748,668			1,587,621			1,002,880

Schedule of proceeds from disposal of fixed assets

(b) In the cash flow statement, proceeds from disposal of fixed assets comprise:

	2019			2020			2021
	RMB’000			RMB’000			RMB’000
Net book amount (Note 6)		168,806			225,003			92,790
Payable arising from disposal of fixed assets		(2,063	)		—			—
Transfer to materials and supplies		(2,272	)		(27,151	)		(9,740	)
Loss on disposal of fixed assets and costs on repairs		(161,435	)		(165,253	)		(53,854	)
Proceeds from disposal of fixed assets		3,036			32,599			29,196

(c) Material non-cash investing activities

	2019		2020		2021
	RMB’000		RMB’000		RMB’000
Government grants relating to fixed assets (Note 6)		—		—		673,878

Schedule of Material non-cash investing activities

(c) Material non-cash investing activities

	2019		2020		2021
	RMB’000		RMB’000		RMB’000
Government grants relating to fixed assets (Note 6)		—		—		673,878