| Six months ended 30 June | |||
| Results | 					 						2019					 											RMB'000					 											(Unaudited)					 				 | 									 						2018					 											RMB'000					 											(Unaudited)					 				 | 				Change(%) | 
| Operating revenue | 1,708,088 | 2,021,988 | -15.52 | 
| Total profit | 57,618 | 64,315 | -10.41 | 
| Net profit attributable to the Shareholders of parent company | 42,305 | 45,640 | -7.31 | 
| 					 						Basic and diluted earnings per share 					 											(expressed in RMB per share) 					 				 | 				0.3917 | 0.4226 | -7.31 | 
							
					 								Financial  Position				 									As at 30 June  2019 				
 RMB'000
 (Unaudited)									As at 31  December 2018 				
 RMB'000
 (Audited)									Change(%)				 							 								Total  assets				 									2,372,623				 									2,353,980				 									0.79				 							 								Total liabilities				 									1,885,981				 									1,877,242				 									0.47				 							 								Total equity				 									486,642				 									476,737				 									2.08				 							 								Net assets per share  				
(expressed in RMB per share)									4.51				 									4.41				 									2.08