QSI is majority-owned by SingPost, at 66% with Alibaba owning a minority stake of 34%. QSI holds a 17.61% stake in 4PX, a majority-owned subsidiary of Alibaba’s logistics arm, Cainiao.
Singapore Post Limited (SingPost) is increasing its stake in e-commerce provider Quantium Solutions International (QSI) and disposing of its stake in Shenzhen 4PAX Information and Technology (4PX), according to a release dated Apr 16.
SingPost, together with Alibaba Group Holdings, announced the mutual agreement to unwind cross-holdings in 4PX and QSI.

