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TGV , Blindé

Well-respected for our production of suspension springs and anti-roll torsion bars, we supply to rolling stock manufacturers, railway operators and armoured vehicle manufacturers. We also produce parts for manufacturers of pantographs, doors and brakes, among others.

Plateforme pétriolère offshore , Actuator

We manufacture high-precision springs for use in nuclear plants in accordance with RCCM or ASME standards, in hydro-electric power stations and for the oil and gas industries, among others. Masselin also produces the largest spring in the world, manufactured from a bar with a diameter of 97 mm and length of 14 m!

Grue , Couv

Masselin offers a wide range of technical springs, capable of working at high temperature or subject to constant vibration, as well as anti-roll torsion bars.

Aero Espace , Aero espace

Masselin has been supplying technical springs to the aerospace sector for over 20 years: From compression, traction and torsion springs to spring washers and many more, our wide range and excellent quality has attracted the most prominent of customers: Airbus, Airbus Helicopters, Safran, Ratier Figeac, Thalès etc.


Robert Masselin used the words « high-quality spring » . in his first ever advertisement, and this approach has been at the heart of the company ever since, with the focus on manufacturing high-quality products. We would even say « products of the finest quality » !

As a result, faulty parts are a rarity for us and for our customers. A supplier to very satisfied customers for over 80 years, you could say that a brand has been born!

You too will be convinced once you have read our "SPRING TECHNOLOGY" document!

Discover our certifications and approvals


Ressorts Masselin présente son procédé spécial de Passivation
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