Contract assets

12 Months Ended

Dec. 31, 2018

Contract with Customer, Asset, after Allowance for Credit Loss [Abstract]

Contract assets

	2018			2017
	RMB’000			RMB’000
Contracts costs incurred plus estimated earnings		236,044			330,322
Less: Progress billings		(135,050	)		(211,066	)
Cost and estimated earnings in excess of billings		100,994			119,256