Earnings per share (Tables)

12 Months Ended

Dec. 31, 2021

The calculation of basic earnings per share is based on:


	31.12.2019		31.12.2020		31.12.2021		31.12.2021
	RMB’000		RMB’000		RMB’000		US$’000
Profit attributable to ordinary equity holders of the company		604,914		548,903		272,673		43,129

Weighted average number of ordinary shares		40,858,290		40,858,290		40,858,290		40,858,290

Diluted earnings per share

The weighted average number of ordinary shares adjusted for the effect of unissued ordinary shares under the Share Option Scheme is determined as follows:


	31.12.2019		31.12.2020		31.12.2021
Weighted average number of shares issued, used in the calculation of basic earnings per share		40,858,290		40,858,290		40,858,290
Diluted effect of share options		—		—		—

Weighted average number of ordinary shares adjusted for effect of dilution		40,858,290		40,858,290		40,858,290