Hasu Dayan
HASU DAYAN LLC is a subsidiary of Hasu Megawatt LLC, one of the oldest companies in Mongolia’s energy sector, operating for over two decades with extensive knowledge and experience – Contracted service provider for the Oyu Tolgoi project since 2006.
Established as a South Gobi company in Dalanzadgad, Umnugovi province, in 2022, Hasu Dayan believes that through our collective commitment and synergies with our business partners, we can achieve shared goals. Together, we can create sustainable manufacturing and service operations in Umnugovi that will bring significant long-term values to the local and national economy, as well as to our strategic contract partners and customers operating in the South Gobi region.
Founded on Hasu Megawatt’s extensive knowledge, experience, and capabilities, Hasu Dayan serves its customers with a diverse, highly skilled national workforce of over 450 full-time employees. We provide services in heating facility operation, maintenance including complete full range of boiler overhaul works, underground mining construction works, structural and mining steel components, equipment in-country manufacturing, technical services, vocational training and a variety of specialty welding and finishing services across the energy, mining, and construction sectors.
We prioritize safety and uphold a zero-harm policy in everything we do. For our customers and partners, we aim to deliver the highest quality of reliable service and products in a safe and timely manner.
OUR SERVICES
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Operation and Maintenance of Heating Plants and Distribution Systems
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Boiler Overhaul Services for Thermal Power Plants, Heating Plants
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Installation of Pressure Vessels and Pipelines
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Installation of Rotating and Ancillary Equipment
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High-Pressure Vessel and Pipeline Welding
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Installation and Repair of Heating Pipelines
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Installation of Utility Service Pipelines
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Installation of Overhead Electrical Lines and Substations (0.4kV–35 kV)
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Electrical & Instrumentation Services, including PLC System Operation and Maintenance
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Supply of Certified Professional Welders
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On-Call Repair Service for Emergency Breakdown Response
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On-Call Engineering Support
(Heating process engineering support, Detailed engineering design, engineering solutions,engineering drawings, and other engineering calculations and estimates.) -
Boiler Heating Surface Fabrication Drawings
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Structural Steel Design and Engineering Calculations
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Welding Procedure Specification (WPS) Development
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Feasibility Studies for Thermal Power Plants and Heating Plants
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Heating and Utility Pipeline Design and Calculation
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Heating Plant Construction
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Mechanical Equipment Installation
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Pipeline and Utility System Installation
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HVAC System Installation
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Fire Protection System Installation
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Electrical & Instrumentation Installation
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Bulk Earthworks
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Civil and Structural Works (Concrete & Steel)
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Exterior and Interior Finishing Works
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Commissioning and Testing Services
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On-Call Service Support
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Engineering Design and Technical Drawings
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Fabrication of Steel Structures
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Manufacturing of Handrails, Stairs, and Platforms
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Boiler Heating Surface Fabrication
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Pressure Vessel Manufacturing
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Air Duct Fabrication
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Sandblasting and Industrial Painting
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Steel Erection and Installation
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Welding and Quality Assurance Testing
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On-Site Installation and Assembly
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On-Call Service Support
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Comprehensive Welding Training (Various Types, Processes)
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Construction Electrician Training
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Machinist Training (Lathe)
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Millwright
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Pipe fitter
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Electrician
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Safety Training for Operation and Equipping of Boilers, Pressure Vessels, and Pipelines
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Supply of Pipes and Valves
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Steel Raw Materials Procurement
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Supply of Electrical Substations, Cables, and Fittings
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Instrumentation Equipment Supply (ROSEMOUNT and other brands)
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OUR CLIENTS
