The oilsands firm, which is backed by Chinese investors including insurer China Life Insurance (Group), was due to start taking orders on Monday, but has postponed its roadshow indefinitely, the Wall Street Journal said, citing two people familiar with the deal.

The IPO was set to consist of all new shares, representing 25 percent of the company's expanded capital, one source with direct knowledge of the plans told Reuters on Jan 31. [ID: L4E8CV2IX]

Six companies have gone public in Hong Kong since the beginning of the year, with small-sized deals that raised a combined HK$1.4 billion ($180.5 million). (Reporting by Farah Master)