In service of
the circular economy
Industrial engineering & manufacturing
We build the equipment, structures and control systems that make the most demanding industrial processes possible.
From engineering to commissioning
3H Krontec is a Spanish industrial manufacturer specialising in custom equipment, steel structures, welding and assembly, automation and electrical integration for the chemical, petrochemical, recycling, energy and process industries. We work for clients across Europe with a single goal: to turn an engineering design into robust, reliable equipment that is ready to operate.
Integrated capabilities
under one group
+2,900 m2 of production floor
Projects across Spain, Portugal and Europe
01
Equipment
manufacturing
Pressure equipment, heat exchangers, condensers, columns, skids, tanks and steel structures, built to code (PED, ASME) and to client specification.
02
Industrial welding
& assembly
Qualified welding in carbon steels, stainless steels and alloys, workshop and on-site assembly, with WPS/PQR procedures and certified welders.
03
Automation &
electrical integration
Through CASEL, part of the 3H Krontec Group: electrical panels, control systems, PLC, SCADA, instrumentation and on-site integration.
04
Precision
machining
In partnership with Mecanizados Pablo de la Torre: CNC turning and milling, build-to-print manufacturing, short runs and prototypes.