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 .
25 years of experience
2020 m² workshop area

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 .
Bending and shaping tooling learn more

Bending and shaping tooling
learn more
Machining of mechanical parts learn more

Machining of mechanical parts
Control and assembly jigs learn more

Control and assembly jigs
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
1997 — Creation of A3S Mécanique
Giuseppe Sportelli founds the company with a clear ambition: to offer high-quality bending tools tailored to industrial needs.
2005 — First major investments in CNC machines
Acquisition of the first CNC machining centers to enhance precision and responsiveness.
2012 — Workshop expansion
Expansion to 800 m² of production space to meet growing demand.
2020 — Relocation to a new 2,020 m² facility
Meeting our need for increased space.
From 2020 to 2025 — Overhaul of the machine fleet
Modernization with new models of machining centers, CNC lathes, and more.
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:

