Modern Group / Products & Markets
Built for the world's most demanding projects.
Four specialized product lines. One integrated group. From heavy structural steel and integrated modular systems to advanced air-cooled heat exchangers and HRSG modules, we help global project teams simplify complex supply.
Four product lines
Focused expertise across the Modern Group.
Choose a product line to explore the fabrication and logistics capabilities best suited to your project.
Structural Steel
Heavy, complex and project-specific steel fabrication for industrial and infrastructure applications.
View 7 categories ↓ 02 / MMECIntegrated Modular Systems
Integrated structural, piping, E&I and modular construction solutions with direct heavy-lift port access.
Visit MMEC website ↗ 03 / MEEMACHE
Air-cooled heat exchanger solutions for power generation and process industries, from finned coolers to modular systems.
Explore ACHE ↗ 04 / MEEMHRSG Modules
Finned tubes, headers, harps and fully integrated heat-recovery bundles and modules for power projects worldwide.
Explore HRSG modules ↗Product line 01
Structural Steel
MDHI and MMEC fabricate complete structural packages across industrial buildings, process structures, platework, material handling systems and preassembled modules. Our seven categories make the scope easy to understand and specify.
Built to Global StandardsQuality • Safety • ReliabilityIndustrial Buildings & Process Structures
Industrial Buildings & Process Structures include structural steel systems designed for industrial facilities, production buildings and process-related infrastructure. MDHI provides customized fabrication solutions for heavy steel frames, process structures and large-scale structural assemblies based on project-specific engineering requirements.
Product examples
- Main buildings and workshops
- Process building structures
- Boiler and compressor buildings
- Heavy steel members and crane beam structures
Key Fabrication Features
- Heavy sections and crane beams require controlled welding sequences to limit shrinkage and distortion
- Tight control of column straightness, frame geometry, connection locations and cumulative tolerances
- Trial fitting and hole-pattern verification to ensure accurate and efficient site erection
- Surface preparation and coating systems coordinated for industrial exposure and transport protection
Typical applications
- Power generation facilities
- Industrial plants
- Manufacturing facilities
- Large workshops
What types of industrial steel structures can be fabricated?
Fabricated steel frames, heavy structural members, crane beam structures and customized steel assemblies for industrial applications.
Pipe Racks, Cable Racks & Utility Support Structures
Pipe Racks, Cable Racks & Utility Support Structures are engineered steel systems designed to support industrial piping, cable systems and utility infrastructure within large-scale facilities. MDHI manufactures customized steel support structures according to project requirements.
Product examples
- Process pipe rack structures
- Cable rack structures
- Utility support structures
- Multi-level support frames
- Road and plant crossings
Key Fabrication Features
- Repetitive multi-tier frames require strict control of gridlines, elevations and utility interface points
- Welding sequence and fixture control maintain column straightness, frame squareness and connection alignment
- Trial assembly, match-marking and dimensional surveys verify interchangeability between shipping sections
- Fabrication and delivery sequencing coordinated with piping, cable and equipment installation priorities
Typical applications
- Industrial plants
- Energy facilities
- Process facilities
What are pipe racks used for?
Pipe racks provide structural support for industrial piping and utility infrastructure.
Equipment Support, Secondary Steel & Access Structures
Equipment Support, Secondary Steel & Access Structures include fabricated steel components designed to support industrial equipment, operational requirements and maintenance access. MDHI provides customized steel platforms, walkways, stairs, ladders, handrails, gratings and supporting structures for industrial facilities.
Product examples
- Equipment support frames
- Platforms and walkways
- Stairs and ladders
- Handrails and gratings
- Customized supporting structures
Key Fabrication Features
- Numerous small parts and interfaces require disciplined identification, traceability and dimensional control
- Stairs, ladders, handrails and grating demand accurate fit-up, consistent clearances and safe edge finishing
- Light sections require balanced welding and fixtures to minimize distortion
- Where galvanizing or coating is specified, drainage, venting and touch-up details must suit the completed assembly
Typical applications
- Industrial plants
- Energy facilities
- Manufacturing facilities
What secondary steel structures can be fabricated?
Platforms, walkways, stairs, ladders, handrails, gratings and customized support structures.
Does MDHI fabricate industrial grating in-house?
Yes. MDHI operates an in-house grating workshop to support fabrication quality, production scheduling and coordination with structural steel packages.
Platework, Ducting & Gas Flow Systems
Platework, Ducting & Gas Flow Systems include fabricated steel components used for industrial air, gas and process-related applications. MDHI provides large-scale plate fabrication, steel ducting, casing structures and customized fabricated components manufactured according to project specifications.
Product examples
- Industrial ducts and casings
- Hoppers and chutes
- Silos and boxes
- Large fabricated plate structures
- Customized steel components
Key Fabrication Features
- Large or thin plate assemblies require forming accuracy and controlled welding to limit buckling and distortion
- Continuous seams and process boundaries require consistent weld quality and leak-tightness verification
- Roundness, flatness, openings and flange interfaces are controlled through staged dimensional surveys
- Shop fit-up of transport splits, stiffeners and liners helps ensure accurate field assembly and service geometry
Typical applications
- Power facilities
- Industrial plants
- Process facilities
What platework products can be fabricated?
Steel ducting, casings and customized fabricated plate structures.
Bulk Material Handling & Conveyor Structures
Bulk Material Handling & Conveyor Structures include fabricated steel systems designed to support material transportation, transfer and processing operations in industrial environments. MDHI manufactures customized steel frameworks for conveyor systems, transfer structures and material handling applications based on engineering requirements.
Product examples
- Conveyor trusses and support structures
- Transfer towers
- Crushing and screening structures
- Loading stations and stockyards
- Stacker-reclaimer and equipment supports
Key Fabrication Features
- Long conveyor trusses require controlled camber, straightness and accumulated dimensional tolerances
- Pulley, idler, chute and equipment interfaces require precise centerline and elevation alignment
- Fatigue-sensitive weld details require smooth transitions, consistent profiles and disciplined inspection
- Trial assembly and match-marking at transfer towers and splice points reduce erection risk
Typical applications
- Mining facilities
- Material processing plants
- Industrial facilities
What bulk material handling structures can be fabricated?
Conveyor structures, transfer structures and customized industrial steel frameworks.
Architectural, Long-Span & AESS Structures
Architectural, Long-Span & AESS Structures include complex steel systems designed for large-span buildings, architectural applications and visually exposed structural designs. MDHI fabricates customized architectural steel structures, long-span assemblies and complex steel components requiring high fabrication accuracy and detailed engineering coordination.
Product examples
- Long-span roof structures
- Architecturally exposed steel
- Hollow section structures
- Complex spatial nodes and assemblies
Key Fabrication Features
- AESS surfaces, weld seams and connection nodes require high visual quality and meticulous finishing
- Complex curves, spatial nodes and long spans demand precise geometry and tight dimensional tolerances
- Controlled welding sequences, dedicated fixtures and preassembly minimize shrinkage and distortion
- Painting requires uniform surface preparation, smooth transitions, consistent color and gloss, and careful protection during handling
Typical applications
- Stadiums
- Airport terminals
- Public buildings and exhibition facilities
- High-rise and large-span structures
What is AESS structural steel?
Architecturally Exposed Structural Steel is steelwork where appearance and fabrication quality are important.
Modularized & Preassembled Steel Packages
Modularized & Preassembled Steel Packages include fabricated steel modules, structural assemblies and integrated steel units designed for industrial construction projects. MDHI provides modular fabrication and preassembly solutions including structural modules, pipe modules, equipment supports and customized steel packages for efficient project execution.
Product examples
- Structural modules
- Pipe and pipe-rack modules
- Equipment and platform modules
- Skid frames
- Preassembled steel units and trial assembly
Key Fabrication Features
- Module-wide geometry and interface points require tight control of accumulated tolerances
- Assembly sequencing must integrate primary steel, secondary steel and equipment supports without access conflicts
- Trial assembly and dimensional surveys verify fit before shipment and final site connection
- Lifting points, temporary bracing, transport loads and shipping size constraints are incorporated into fabrication planning
- Preservation and shipping supports protect completed modules through delivery
Typical applications
- Industrial facilities
- Energy projects
- Process facilities
What are modular steel packages used for?
They are used for prefabricated structural systems, equipment supports and integrated industrial assemblies.
