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Rox Resources Engages MACA Interquip Mintrex for Youanmi Plant Construction

Mining By Maxwell Dee 3 min read

Rox Resources has appointed MACA Interquip Mintrex as the preferred EPC contractor for its Youanmi Processing Plant, marking a key milestone as the project advances towards production. Early engineering and procurement works are underway, with construction set to begin following a Final Investment Decision expected in late Q1 2026.

  • MACA Interquip Mintrex engaged as preferred EPC contractor for Youanmi Processing Plant
  • Early front-end engineering and procurement of long lead items underway since December 2025
  • Final Investment Decision targeted for late Q1 2026 to commence construction
  • Project financing progressing alongside approvals and site preparations
  • Youanmi Gold Project remains on track to become a significant Western Australian gold producer

EPC Contractor Appointment Marks Major Step

Rox Resources Limited has taken a significant stride in advancing its Youanmi Gold Project by appointing MACA Interquip Mintrex (MIQM) as the preferred engineering, procurement, and construction (EPC) contractor for the processing plant and associated facilities. This decision follows a competitive tender process and reflects Rox’s commitment to maintaining momentum toward production.

MIQM, part of the MACA Limited Group, brings a strong track record in delivering mineral processing projects, ranging from small to large scale. Their early involvement since 2024, supporting feasibility studies and metallurgical testing, has provided them with a deep understanding of the project’s technical requirements.

Early Works and Procurement Underway

Since December 2025, MIQM has been engaged in front-end engineering design (FEED) and procurement activities, focusing on long lead items critical to the plant’s construction timeline. These early works include preparing scopes of work, tendering for civil and infrastructure tasks, and mobilising resources in readiness for construction.

Rox’s Managing Director and CEO, Phill Wilding, emphasised the importance of this early engagement, highlighting that it aligns with the company’s pathway to production and supports the targeted Final Investment Decision (FID) scheduled for late Q1 2026.

Project Progress and Financing

The Youanmi Gold Project is advancing steadily, with a Definitive Feasibility Study completed in November 2025 and a successful capital raise of $218 million finalised in December. Dewatering of the main pit is progressing as planned, and underground development continues to expand operational capacity.

Alongside these developments, Rox has lodged key approvals for the processing plant, tailings storage, and site infrastructure. Tenders for additional long lead items such as underground diamond drilling, the Albion circuit, power supply, and oxygen plant are either under review or out for pricing.

Looking Ahead

With early works well advanced and financing discussions ongoing, Rox is positioning itself to commence construction promptly after the FID. Exploration drilling is set to begin in the first quarter of 2026, further defining resource potential near the mine.

The company’s clear strategic plan and execution roadmap aim to establish Youanmi as a high-grade, high-margin gold producer in Western Australia, targeting steady production and growth through 2027 and beyond.

Bottom Line?

Rox Resources’ appointment of MIQM as EPC contractor signals a pivotal move towards unlocking Youanmi’s gold potential, with construction and production timelines now firmly in sight.

Questions in the middle?

  • Will Rox Resources secure final debt financing to support the upcoming construction phase?
  • How will ongoing exploration drilling impact resource estimates and project valuation?
  • What are the potential risks to the Final Investment Decision timeline amid market or regulatory changes?