AA-Tuotanto Oy Ab is a Finnish metal subcontractor and third-generation family business headquartered in Vaasa, operating in the heart of the Vaasa energy cluster. The company traces its industrial metalworking roots back to 1959 when Eino Laine founded Metalliliike E. Laine Ky.
AA-Tuotanto manufactures customized metal components, busbars, and subassemblies according to customer technical specifications. The company serves industrial clients worldwide, handling volumes ranging from individual prototypes to large-scale serial production runs.
The company maintains certified quality management processes under the ISO 9001 standard.
AA-Tuotanto provides controlled metal joining, presswork, and component fabrication services:
- Furnace & Vacuum Brazing: Brazing executed inside oxygen-free furnace atmospheres to create durable joints without porosity, contamination, or the need for subsequent flux cleaning. Supported material combinations include:
- Copper – Copper
- Copper – Steel
- Copper – Brass
- Brass – Brass
- Steel – Steel
- Busbar Manufacturing: Custom manufacturing of copper and aluminum busbars for power distribution and energy equipment.
- Presswork & Stamping: Automated press lines and manual presses performing sheet metal forming and pressing up to 400 tonnes.
- Joining & Welding: Spot welding, small-scale fusion welding, flame brazing, and insertion of self-clinching fasteners.
- Contract Assembly: Electrical and mechanical sub-assemblies, modules, switch parts, and separator components ready for end installation.