The reason for the suspension is standard on ASX, See below:
AXP Energy Limited (ASX: AXP) – Suspension from Official Quotation
Description:
The securities of AXP Energy Limited (‘AXP’) will be suspended from quotation immediately under Listing Rule17.2, at the request of AXP, pending the release of an announcement regarding a material Heads of Agreement.
Issued by Lin KangAdviser, Listings Compliance (Sydney)
A "head of" agreement is an initial, non-binding document that establishes the basic framework for a partnership or transaction.