Projects

Operations.

Hasu Dayan expertise, delivered in real projects.

Services
01
Since 2013

Central Heating Plant (CHP) – 130MW Operation and Maintenance Services (Since 2013)

Project Overview:

Comprehensive operation and maintenance (O&M) services for the central heating facilities at the Oyu Tolgoi mine site, including:

  • Heating Plant: 130MW capacity (utilizing 4 x 29MW and 2 x 7MW CFB Boilers).
  • Heating Distribution System (HDS): Management...
Central Heating Plant at the Oyu Tolgoi mine site
02
2022 - 2026

Central Heating Plant (CHP) – 130MW Boiler Overhaul Services (2022 - 2026)

Project Overview:

Comprehensive boiler overhaul, testing, and commissioning services including:

  • Completed: Full overhaul of two (2) 29MW CFB Boilers, two (2) 7MW CFB Boilers
Boiler overhaul work
03
Ongoing Since 2018

Pressure Vessel, Pipeline and Relief Device Support (Ongoing Since 2018)

Project Overview:

Specialized inspection and maintenance services to ensure the integrity and safety of high-pressure systems across the mine site.

  • Regulatory Inspections: Conducting scheduled inspections of pressure vessels, relief devices and pressurized piping networks.
  • Maintenance & Repair: Performing critical repairs...
Pressure vessel and pipeline support
04
2025 – Present

Ukhaa Khudag (UHG) Power Plant – 18 MW Boiler Overhaul Services (2025 – Present)

Project Overview:

Comprehensive boiler overhaul, testing, and commissioning services including:

  • Completed: Full overhaul of one (1) 35 t/h CFB Steam Boiler.
  • Ongoing: Full overhaul of one (1)...
Ukhaa Khudag power plant boiler overhaul
05
November 2025 – June 2026

Open Pit Mine Control Center Office (November 2025 – June 2026)

Project Overview:

Engineering, Procurement, Fabrication, and Construction of a New Open-Pit Mine Control Center Office Building:

  • Two Blocks with a 1,566 m² Total Footprint, Permanent Facility Designed for Uninterrupted Control and Dispatch Operations.
  • Turn-Key EPC Scope...
Open Pit Mine Control Center Office

Local Manufacturing
Service Operation.

Through the years, working together, we have locally manufactured and supplied numerous critical steel components for the OT Underground project that have been successfully utilized for the development of the underground mine.

Building further upon our capabilities, experience – Together we continue to invest and develop our manufacturing, service and training operations in Umnugovi province, we strongly believe it has significant potential to contribute to the organic development of the local community while creating further value to our customers in the South Gobi region.

Contact Us.

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