We offer machining and turning services especially for demanding parts and materials.
HANZA Mechanics Sievi specializes in providing high-precision machining and turning services for demanding parts and materials. We work with a wide range of materials, including plastics, steel grades, various metals, and offer both small series and large-scale production capabilities.
Horizontal milling with pallet system
Vertical milling 4-axis
Turn-mill up to 10-axis
Bar feeding automation
Laser marking
3D quality measurement
Powder Painting
Electrostatic interference (EPA) area
Assemblies
Our staff has long experience and committed attitude towards the contract manufacturing. Approximately 30 professionals work in Sievi. We also have ongoing and well prepared training programmes for younger generation educating new professionals for the field.
Our additional services are designed to meet your manufacturing requirements. For instance, we offer an EPA area for the integration of electronic components and utilize advanced 3D technology for precise quality measurement. Discover more about our technologies below.
Multitasking machines
Bed type milling machines
Vertical CNC milling centers
Horizontal CNC milling centers
Robot machining cells
CMMs
Software for production
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.

ISO 9001 • ISO 14001 • ISO 45001
Address
HANZA Mechanics Sievi
Eletie 7
85410 Sievi
Finland
moc.puorgnedel.if@VIS.sredro
Site manager
Juhani Niiranen
Tel. +358 44 358 0971
Production manager
Esa Lohela
Tel. +358 40 5188374
Account Managers
Marko Vesaluoma
+358 50 4012334
Pasi Sarkkinen
+358 40 610 2927
Tero Hakkarainen
+358 44 052 2190