CK Hutchison Holdings Ltd. said it may invite a “major strategic investor” from China to join a group seeking to buy its global ports, as the Hong Kong-based company works toward a solution that pleases all in the geopolitically-sensitive deal.

The unnamed investor would join as a significant member of the consortium, the company saidBloomberg Terminal in a stock exchange filing Monday, hours after the expiry of a 145-day exclusive talks window with the group backed by American asset manager BlackRock Inc.