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Income tax benefits (Tables)
12 Months Ended
Dec. 31, 2022
Income tax benefits  
Schedule of income tax benefit

For the year ended

December 31, 

    

2020

    

2021

    

2022

RMB’000

RMB’000

RMB’000

Current income tax

(16,856)

(16,780)

(25,259)

Deferred income tax

153,987

128,875

87,406

Income tax benefit

137,131

112,095

62,147

Schedule of tax on the Group's loss before income tax differs from the theoretical amount statutory tax rate applicable to loss of the consolidated entities

For the year ended

December 31, 

    

2020

    

2021

    

2022

RMB’000

 

RMB’000

 

RMB’000

Loss before income tax

1,551,254

1,442,608

990,173

Tax calculated at PRC statutory income tax rate of 25%

387,814

360,652

247,543

Differential of income tax rates applicable to subsidiaries

(145,000)

(161,199)

(119,211)

Expense not deductible for tax purposes

(35,455)

(10,169)

(5,659)

Incomes not subject to tax

6,899

1,732

542

Tax losses and temporary differences for which no deferred income tax asset was recognized

(81,698)

(87,237)

(73,690)

Derecognization of deferred tax assets on tax losses

(3,137)

(23)

Additional deductible allowance for research and development expenses

6,873

8,255

10,164

Utilization of previously unrecognized tax losses

835

84

2,458

Income tax benefit

137,131

112,095

62,147

Schedule of unused tax losses

At December 31,

    

2021

    

2022

RMB’000

 

RMB’000

Unused tax losses for which no deferred tax asset has been recognized

1,982,709

 

2,525,806

Schedule of unused tax losses by expiration date

At December 31,

    

2021

    

2022

RMB’000

 

RMB’000

Year 2022

277,048

277,048

Year 2023

118,502

118,796

Year 2024

419,866

419,866

Year 2025

82,441

83,576

Year 2026

104,316

208,346

Year 2027

67,745

Year 2028

1,826

1,826

Year 2029

7,149

7,149

Year 2030

8,051

8,049

Year 2031

60,059

56,195

Year 2032

122,036