State of art factory HANZA Mechanics Oulainen provides variety of sheet metal services, assembly and system integration services for customers also with complex manufacturing needs.
We are your partner in metal based manufacturing – managing everything from complex systems to smaller components. We simplify your life and tackle your problems.
We offer a good variety of sheet metal services, boxbuild, complex assemblies, ESD, busbars, flatbars, surface treatment, welding, powder coating, bending, lasercutting, laser welding. Our raw materials are at the moment: aluminium, steel, stainless steel and copper.
The factory in Oulainen is one the newest and most moder sheet metal factories in Northern-Europe. The factory covers an area of 21 000 square meters and employes 250 professionals.
Our modern production facility offers variety of services under the same roof. We have 30 years of experience and skilled staff working in the factory. HANZA’s Finnish cluster offers around Oulainen factory even more possibilities and synergy.
All HANZA factories hold a variety of certifications adapted to the business and technology in which they operate. The certificates complement our ambitious protocols for reduced environmental impact, data security, work environment and product quality.
Certificate Documents
The certificates still communicate the name of Leden Group which became officially a part of HANZA Group in January 2025. Download the pdf files here:

ISO 9001 • ISO 14001 • ISO 45001
Cluster Presdent
Jukka Haapalainen
+358 40 353 2244
Address
HANZA Mechanics Oulainen
Kalliokuruntie 1
FI-86300 Oulainen
moc.puorgnedel.if@EIS.sredro
Site Manager (sheet metal, Finnish Cluster)
Marko Niskanen
+358 50 350 9914
Site manager (Oulainen)
Jukka Tuomaala
+358 44 2914082
Account Manager
Marko Vesaluoma
+358 50 401 2334
Account Manager
Pasi Sarkkinen
+358 40 610 2927
Head, Development & EHQS
Jani Ranta
+358 50 409 6170