Industrial Machines Engineered for Performance
Production of high-precision machines and complete production lines for transformer and industrial applications worldwide.
Core Cutting & Stacking Lines
Advanced solutions for distribution and power transformer cores. From simple configurations to high-capacity lines with precise cutting and stacking systems.
Industrial Punching Lines
Pre-assembled 3D punching line machines supplied for truck chassis manufacturing. Reliable production solutions developed for leading European manufacturers.
Special Machines
Custom stacking and assembly equipment for transformer cores. Simultaneous stacking of one or two cores, handling weights from 1 to 10 tons.
Delivering tailored industrial machines, modernisation solutions, and full engineering support .
Our Core Services

Architecture & Building
Design and manufacturing of tailor-made industrial machines and production lines for transformer cores, chassis, and special industrial applications. High precision, reliable performance, and fully adapted to client requirements.

Retrofit & Modernisation
Upgrading existing machinery with mechanical reconstruction, modern automation, servo drives, and new control systems. Extend machine life, improve efficiency, and meet modern industrial standards.

Engineering Support & Project Management
Complete project support from planning and design to installation, commissioning, and after-sales service. Includes software, electrical systems, and technical guidance for optimal production performance.
Project Overview
3D Punching Line
High-speed and high-accuracy punching solution
This project presents a Soenen 3D punching line designed for processing long U-profiles. The line delivers exceptional flexibility by punching both the web and flanges with high speed, power, and consistent accuracy.

Project Management
ASSEMA provided complete project management support, covering coordination, integration, and delivery of the 3D punching line.

Project Details
3D punching line is engineered for demanding production environments in the truck and bus industry.

About ASSEMA
Associated Serbian Manufacturers
ASSEMA, short for Associated Serbian Manufacturers, was founded in 2005 with a clear focus on the development and production of industrial machinery for the sheet metal and transformer industries.
Our core expertise includes transformer core cutting and stacking lines, slitting lines, winding machines, and the production and supply of pre-assembled machines for 3D punching lines used in truck chassis manufacturing for leading European manufacturers.
Top Choices
Featured Projects
Our featured projects showcase high-precision machines, complete production lines, and retrofit solutions developed for transformer, automotive, and heavy-industry applications. Each project reflects ASSEMA’s focus on accuracy, reliability, and long-term performance.
Core Cutting
Special Machines
Punching lines
Retrofit Projects
Trust and Worth
Our Clients
We work with leading manufacturers in the transformer, truck, and bus industries. Our clients rely on ASSEMA for precision engineering, reliable machines, and long-term production performance across international markets.





Sustainability
Responsible Industrial Manufacturing
At ASSEMA, sustainability means building machines that last. Our equipment is designed for long service life, high efficiency, and reliable operation in demanding industrial environments.
We focus on energy-efficient solutions, modern automation, and precise engineering to reduce waste, minimize downtime, and optimize material usage throughout the production process.
Why Choose ASSEMA
ASSEMA delivers precision-engineered machines, complete production lines, and retrofit solutions for demanding industrial environments. Our focus is on reliability, performance, and long-term partnership with our clients worldwide.
- Custom Solutions
- Engineering Expertise
- Modern Technology
- Proven Reliability
- Innovation & Precision
- Long-Term Support
Contact Us
Innovative Industrial Solutions for Your Business
Basic project requirements, technical specifications, production capacity, and target application are sufficient to start the evaluation.
Yes. All machines and production lines are designed and manufactured according to customer-specific requirements.
Yes. Our engineers provide on-site installation, commissioning, and technical support worldwide.