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 (SingPost), by way of unwinding crossholdings with Alibaba Group Holdings, has completed the disposal of its interest in Shenzhen 4PX Information and Technology, held by Quantium Solutions International (QSI), now a subsidiary of SingPost.
In April, SingPost, together with Alibaba Group Holdings, announced the mutual agreement to unwind cross-holdings in 4PX and QSI.

