| Six months ended 30 June | |||
| Results | 					 						2017					 											RMB'000					 											(Unaudited)					 				 | 									 						2016					 											RMB'000					 											(Unaudited)					 				 | 				Change(%) | 
| Operating revenue | 1,903,942 | 1,777,949 | 7.09 | 
| Profit before taxation | 56,688 | 49,229 | 15.15 | 
| Net profit attributable to the owners of parent company | 42,009 | 36,762 | 14.27 | 
| 					 						Basic and diluted earnings per share					 											(expressed in RMB per share)					 				 | 				0.39 | 0.34 | 14.27 | 
| 					 						Dividend per share					 											(expressed in RMB per share)					 				 | 				0.1 | 0.2 | - | 
							
					 								Financial  Position				 									As  at 30 June 2017 				
 RMB'000
 (Unaudited)									As  at 31 December 2016 				
 RMB'000
 (Audited)									Change(%)				 							 								Total assets				 									2,316,055				 									2,230,794				 									3.82				 							 								Total liabilities				 									1,841,335				 									1,778,327				 									3.54				 							 								Total equity				 									474,720				 									452,467				 									4.92				 							 								Net assets per share 				
(expressed in RMB per share)									4.32				 									4.19				 									3.19				 							 								Net debt to equity ratio				 									0.62				 									0.67				 									-6.74