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Finished Projects

There are already quite a few of successful projects.
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On Six Continents

You can find our products on all continents except Antarctica.
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Max. Weld Thickness

It would not be possible without the experience of welders.
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Max. Crane Load

Our crane can carry a lot, so we can work on complex projects.

Infer s.r.o.

We play a significant role in the field of mechanical engineering. We specialise in supplying products to the nuclear energy, petrochemical and refineries

Infer s.r.o. is a manufacturing-oriented company and is dedicated to comprehensive deliveries within the engineering industry.

Our company has an experienced and qualified team of experts who are able to carry out even demanding custom orders. We focus on high quality and reliability of our products and services. The basis of the Infer s.r.o. company philosophy is a high degree of flexibility and a pro-client approach.

We offer customers:

Piping sytems

Small (from 5 kg), medium and large weldments (up to 120 t)

Machining of small and large parts

Piece, serial and mass production

Assembly of technological units (oxygen plants, nitrogen plants and turbines)

Prefabrication of pipes and steel structures

Customer satisfaction is Infer s.r.o. company’s main priority, which is why we deal with every order individually and with great precision.


We have the necessary know-how for assembling turbines and large compressors

We perform assembly work, repairs and inspections of selected gas equipment

Production, assembly, reconstruction, repairs with tests and inspections of reserved pressure equipment

Supply and installation of pipeline distribution systems and technologies

Production and installation of steel structures, pipeline bridges, production of pipeline supports and hangers

We test and maintain pressure equipment

More about Assemblies
Montáže – Stavbyvedoucí s výkresem


Precise and high-quality machining is the pride of our company. We use conventional and CNC machines


Diameters from 6 mm to 4000 mm


A wide range with maximum table dimensions of 1800 × 1800 mm

Surface grinding

Maximum workpiece dimensions of 600 × 200 mm

Cylindrical grinding

Up to maximum diameter of 250 mm

Thread rolling

Thread Ø up to 40 mm depending on the material and type of thread


Up to maximum diameter of 1200 mm

Other Services

Our company has a wide range of products and services in its portfolio. We pride ourselves on the quality of the materials used and the carefulness of our production

Svářeč při svařování


We supply small, medium and large weldments made of carbon, alloy and corrosion-resistant steels. Production of weldments according to our own drawing documentation or customer documentation. We weld using TIG, MIG/MAG and MMA methods according to ČSN EN ISO 3834 and ASME B31.1 standards.

Inženýring – Inženýři domlouvají projekt


The engineering process involves processing of projects, designs and calculations for technological equipment and structures. Additionally, in case of interest, we will ensure the implementation of the project itself. Our customers are provided with complex services during the actual project realisation.


We also provide the following: Forgings, Cutting into precise lengths, Pipe and sheet metal bending based on desings, End and side notching, Other machining, Surface finishing.


All our products undergo technical inspection from the initial delivery of material to the incoming finished product inspection. The quality management system of our company is in compliance with the ČSN EN ISO 9001:2016 norm.

We deliver all products with attestation EN 10-204 / 2.1, 2.2, 3.1, 3.2., and a dimensional results report in paper or digital form. In the case of welding projects, we can also provide full quality documentation, including the relevant WPQR, WPS, welding plan and NDT testing. Our quality management system includes structure and quality control of materials using the handheld DELTA ED-XRF x-ray spectrometer.


Značka certifikátu TÜV SÜD ISO 9001Značka TÜV SÜDLogo Technická inspekce České republiky