Defontaine

Defontaine Group designs and manufactures complex mechanical components and, under the Rollix brand, slewing rings. Its range includes combined bearings for rotary tables, flanges and sectors, casings and automotive components. Processes include roll-welding by spark erosion (RSE), induction heat treatment, gear cutting, press hardening, precision machining and grinding, and non-destructive testing and materials testing in its laboratory.

Customers are industrial buyers in aerospace (civil and military), helicopters, wind energy, automotive, trucks and buses, machine tools, transport, packaging and bottling, marine, medical, and forestry and agriculture. The group also offers design studies, prototyping, logistics, and spare parts and after-sales service. It states it serves more than 1,300 clients on five continents and exports to more than 70 countries. Rollix products are also sold through an online e-shop.

The registry gives 1955 as the founding year, and the group states that it has been designing and manufacturing since 1946. Its headquarters is in La Bruffière (Vendée), France, and it operates three plants in France, China and Tunisia. The group offers in-house training courses, work-study programmes and internships.

Product: Slewing rings (Rollix brand), combined bearings for rotary tables, flanges and sectors, casings, automotive components and complex mechanical components, with design, prototyping and spare-parts services.