Products and services

Air and gases handling solutions

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We’re a global engineering business who focus on providing our clients with industrial products that help multiple sectors improve their everyday processes; from mine ventilation and waste water treatment to heating and cooling.

Our core focus is on providing quality solutions for air and gas handling, and with over a century of experience in doing so, it’s no wonder that we are renowned for such projects across multiple sectors.

Our mantra is ‘revolving around you’, something that has underpinned our business since it was established in Scotland in 1854. Constantly improving our products and services according to our customers’ needs, Howden has never stood still.

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Wear resistant solutions

We solve wear-related problems in the energy field, mining industry, recycling, glasswork, paper production and everywhere where there is abrasion, erosion, or where high impact resistance is required. 

We have created our own brand of tubular flux cored wire with different compositions and applications WEARFIL

For our customers we deliver bimetallic hardfaced plates SEWEAR with standard sizes or finished details according to the customer's drawing. 

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Welding technologies and materials

SEZAR Trade is an official distributor of professional welding equipment LORCH. LORCH Schweisstechnik means: Made in Germany with 3 years warranty!

We offer competent solutions in the choice of welding consumables. We officially represent Voestalpine Bohler Welding with their welding supplies on the Bulgarian market achieving the status of their Silver Partner. We are the sole distributor of the materials produced by Chosun Welding (South Korea) in Bulgaria. See more at