Annual Report 2021

ANNUAL REPORT 2021 157 24. INVENTORIES 2021 2020 HK$’million HK$’million Raw materials 149 128 Spare parts and consumables 17 51 166 179 25. DEBTORS, DEPOSITS AND PREPAYMENTS 2021 2020 HK$’million HK$’million Trade debtors from contracts with customers 1,082 1,076 Less: allowance for credit losses (Note (a)) (59) (58) Trade debtors, net (Notes (b), (c), (d) and (e)) 1,023 1,018 Amounts due from fellow subsidiaries (Note (f)) 31 15 Amount due from immediate holding company (Note (f)) 2 2 Amounts due from associates (Note (g)) 83 98 Amounts due from joint ventures (Note (f)) 1 1 Dividend receivables 250 290 1,390 1,424 Other debtors, deposits and prepayments (Note (i)) 744 4,069 2,134 5,493 Notes: (a) Movements in the allowance for credit losses of trade debtors are as follows: 2021 2020 HK$’million HK$’million As at 1 January 58 85 Allowance for credit losses 4 12 Reversal of allowance (1) (38) Written-off (2) (4) Exchange adjustments — 3 As at 31 December 59 58 The allowance for credit losses have been included in other income and other gains, net in the consolidated statement of profit or loss. (b) No bill receivables (2020: HK$1 million) is included in trade debtors as at 31 December 2021 with a maturity period of less than one year.