Tube Sheets Reactor Shells Baffles
Pressure Vessel Components
Precision machining and welding for tube sheets, baffle plates, heat exchanger shells, and large pressure vessel heads.
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Fabricated Components
Built to Your Exact Specifications
As a premier contract manufacturer, Openex does not sell off-the-shelf products. We fabricate, machine, and assemble massive, custom-engineered components directly from your blueprints. Explore our manufacturing hubs below to see examples of the heavy-duty parts we build for global industries.
Dump Bodies Rotary Kilns Crushers
Mining & Construction
Wear-resistant steel fabrication for extreme environments. We build massive dump bodies, crusher components, and excavator parts.
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Machine Beds Base Frames Skids
Heavy Equipment Frames
Heavy structural fabrication and planer milling for massive machine beds, base frames, and industrial process skids.
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Large Flanges Gearbox Housings Rings
Industrial Machinery
High-tolerance 5-axis machining for large custom flanges, ring forgings, and massive heavy-duty gearbox housings.
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Vacuum Chambers Furnace Parts Boilers
Furnace & Boiler Parts
Heat-resistant fabrication and certified welding for industrial furnace components and deep-vacuum energy storage chambers.
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Trailer Chassis Truck Frames Axle Mounts
Transportation & Transit
High-volume, robotic welding and assembly for heavy truck frames, trailer chassis, and railway equipment components.
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Wind power components Gas Turbine Casing Energy Storage Systems
Energy & Power
Large Metal Fabrication partners with global energy OEMs to fabricate, machine, and assemble the critical heavy components that keep the grid running.
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Bridge Girders Heavy Structural Columns Heavy Structural Trusses Machine Casings
Infrastructure Components
Large fabrication and certified welding for infrastructure components and heavy structural columns and trusses.
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Pulping Tanks and Vats Machine Frames Rotating components
Pulp & Paper
Large Metal Fabrication manufacture high-tolerance structural frames and pressure vessels exclusively for the pulp and papermaking industry.
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Don't See Your Specific Component?
If it's made of massive steel, we can build it. Send our engineers your 2D drawings or 3D CAD models for a thorough manufacturing review and quote.
Email Your Blueprints