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We proudly implement international standards for steel fabrication, welding, electrical, sandblasting, painting manufacturing, engineering and third party QA control / non-destructive testing into  the Mongolia mining sector.

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Leading and Strong quality


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Oyu Tolgoi LLC / Rio Tinto

To Whom It May Concern,

From 2018 to present, Murray Mining Services LLC (MMS) have provided design engineering services for multiple Underground Equipment/Ore Handling Systems to ELHL Construction and Oyu Tolgoi UG Engineering. MMS have provided fabrication and workshop load testing of all manufactured products including:

  • Ore Handling Truck Loading Chutes
  • Browset Rotating Lifting Jib (3T rated, hydraulic)
  • Can Lifting Jib with Hydraulic Lock (2.5T rated)
  • Descender Frame Raise lining systems (60T & 90T rated)
  • Base Cans (Mild Steel / Hardox 450)
  • Spreader Beams & Other Lifting Devices
  • Transport Frames/Cradles for Generators and transporting Large Steel structures underground
  • Open hole protection covers for top of Raises
  • Training Platforms/walkways for onsite training
  • And many more

MMS have provided good creative solutions from concept designs developing the engineering design to ‘Issued for Construction’ stage. We have found MMS to deliver in a timely manner, and have a hands on approach to fast track fabrication without compromising quality, to meet required installation dates on site.


The scope consists of:

  • Preparation of detail drawings for structural and miscellaneous steel including erection drawings and shop drawings
  • Finite Element Analysis (FEA) structural analysis reports
  • Supply of all materials x Fabrication of complex structural steel and plate work
  • Trial fit of all structural steel work to confirm that the pre-assemblies are to the correct measurements and specification, so as when they are placed in their final location all interfacing elements between pre-assemblies, site built parts are aligned
  • Factory Acceptance Testing (FAT)
  • Workshop Load Testing according to procedure
  • 3rd Party Non-Destructive Testing
  • Surface cleaning by sandblasting / Application of complex coating systems
  • Loading and shipping to end user requirements

MMS offer full welding services, custom steel fabrication, and repair & maintenance services. While providing the highest level of safety and quality control and QA/QC documentation (Manufacturers Data Record).

We enjoyed working with a very professional and dedicated Murray Mining Services team. We believe they will achieve every success in any opportunities given to them in the future, and highly recommend MMS for Engineering and Steel Fabrication projects.

Yours Sincerely,

Murray mining services

Senior Project Engineer

Shay Wall

Oyu Tolgoi LLC / Rio Tinto
SRO Group

To whom it may concern,

Murray Mining Services Mongolia (MMSM) have been a service provider of SRO for the past two years. During that time MMSM have provided excellent Drafting and Engineering support to our business.

I can genuinely recommend the quality, timeliness and customer support of MMSM. Regards

Murray mining services

General Manager

Neil Stewardson

SRO Group

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