About us

Fast Deliveries and High-Quality Sintered Components from Callo Sintermetall AB

Callo Sintermetall AB is family owned company that manufactures structural-parts, soft magnetic materials, bushings and filters from metal powder. Focus is on short lead times and on being in the technical front of PM.

As you can see in Callo Sintermetall AB history we have our roots both in sintering and in the normal subcontracting industry this is a heritage we are very proud of. As we try to be your supplier and solver of problems.


Callo Sintermetall AB has been certified ISO9001:2008
since 2004 and ISO14001:2004 since 2011. Click to view certificate.

ISO 9001

Providing guidelines to ensure products and services consistently meet customer and regulatory requirements.

ISO 14001

Providing a framework for us to enhance our environmental performance and comply with regulations.

Our Beginning

Jan-Olof Krona buy a part of Callo AB. The is nor only a Sinter company (filter and silencers only sinter products) also has conventional machining.

Jan-Olof Krona buys 100% of the company and starts production of bushings in sinter.

Callo moves to current location.

Production of fist structural-part.

Starts joint venture on bushings with GGT.

Andreas Krona starts working fulltime at Callo.

Callo’s own built powder press for multi level structural-parts takes in production.

Johan Krona works 100% and Callo gets ISO 9000:2000 certification.

Callo’s first own build pusher furnace takes in to the production line.