Recognized
expertise since 1997
Founded by Giuseppe Sportelli, A3S Mécanique has specialized for over 25 years in the design and manufacturing of custom bending tools for metal tubes, from prototype to series production, for metalworking professionals.
Based in France, the company supports industrial players by developing robust and precise technical solutions for the bending of round, square, rectangular, and shaped tubes.
Thanks to solid expertise and a client-focused approach, A3S has established itself as a trusted partner in the metallurgy sector.

How can we
assist you?
At A3S, we offer a wide range of industrial mechanical services to support professionals in optimizing, modernizing, or creating their equipment. Our in-house design office and manufacturing workshop allow us to respond with agility to your specific needs, whether it’s for a complete solution, a targeted improvement, or technical troubleshooting. Our services are tailored to demanding sectors seeking precision, responsiveness, and durability.
A3S Mécanique brings its expertise in the production of bending and shaping tools, as well as in the machining of mechanical parts and the manufacturing of control and assembly jigs.
A3S Services handles the custom design of special-purpose machines, and the retrofit of industrial machines.
We also offer the sale of used industrial machines.
Cutting-edge machines
and sharp expertise
A3S Mécanique has a modern machine fleet, including latest-generation CNC machining centers (DMG Mori), CNC lathe, wire and sinker EDM machines, grinding machines… to ensure precision machining.
The company masters the manufacturing of, among other things, multi-stage dies, wrinkle-smoothing tools in steel or ampco, and industrial tooling adapted to tubes ranging from 1.59 mm to 200 mm in diameter.


The Sportelli family,
industrial bending experts
A true pillar of the company, Giuseppe Sportelli embodies the high standards, boldness, and precision that have built A3S Mécanique’s reputation in tube bending and precision machining. With over 35 years of experience, he trained in the field, close to industrial realities, complex technical constraints, and the specific needs of metalworking professionals.
Anna-Maria, Andrea, Francesco, and Giuseppe — the SPORTELLI family is well known in the industry for its ability to combine innovation with technical expertise. Together with their teams, they have developed numerous custom bending tools, designed to meet particularly demanding production challenges. Their foresight and close collaboration with manufacturing workshops, design offices, and operators make the company a key player in industrial innovation.
Still actively involved in designing the most advanced technical solutions, Giuseppe Sportelli also passes on his know-how to the younger generation and instills a strong culture within the team: rigor, performance, and customer service are at the heart of every project led by A3S.
A multidisciplinary team
for your industrial projects

At A3S Mécanique, every project is the result of a close collaboration between professionals with diverse skills. Our team brings together experts in mechanical design, precision machining, automation, and industrial project management. This range of expertise enables us to offer complete solutions tailored to our clients’ specific needs, from the design phase to the commissioning of the tooling.
Our collaborative approach fosters innovation and ensures optimal responsiveness to technical challenges. Through continuous technological monitoring and regular training, our team stays at the forefront of industry developments, guaranteeing high-quality services.
Constantly growing
to serve you better
A continuously growing
machine fleet
We are continuously acquiring new tools to maintain an ever more complete and high-performance machine fleet.
In this regard, we would like to thank all our partners, and in particular:
- The Hauts-de-France Region
- The Aisne Chamber of Commerce in Saint Quentin
- BPI France (Public Investment Bank)
- BNP Paribas
- Banque Populaire du Nord
And let’s not forget all our clients, suppliers, and our French and Italian teams, without whom this great human and industrial adventure would not be possible. A heartfelt thank you to all.
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A3S Mécanique
by Sportelli.Group
A3S Mécanique is part of Sportelli.group, a group of companies founded by Giuseppe Sportelli, specialized in tube bending, end forming, and industrial automation. The group includes several complementary entities:
