Spring & Insulation Systems
ERS United delivers spring systems, high-carbon steel wire, and industrial felt solutions for mattress and furniture manufacturers through a single, integrated supply structure.
With R&D processes controlling more than 50 quality parameters, high-capacity production, and globally aligned logistics, we ensure seamless flow to production lines, optimized cost structures, and long-lasting performance.
Our product portfolio covers all essential mattress components from pocket spring systems and bonnell units to wire drawing and thermo-bonded felt materials.
”ERS United is more than a material supplier; we act as a technical solution partner that anticipates manufacturers’ needs and manages the process end-to-end.“
Product Portfolio
1. Wire Drawing Systems
Production of high-carbon spring wire in various diameters through cold-drawing processes.
- Consistent mechanical properties
- High surface quality
- Full compatibility with bonnell & pocket spring lines
- Custom wire diameter and hardness profiles based on buyer requirements
2. Pocket Spring Systems
Independent pocketed coils delivering superior point-elastic support, silent performance, and premium comfort.
- Multiple wire diameters
- Various height and firmness options
- Ultrasonic welding for stable lamination
- Zonal (region-based) configurations
- Packaging compatible with U.S. & European e-commerce standards
3. Bonnell Spring Units
A classic, cost-efficient, and durable spring system.
- Homogeneous support distribution
- High cycle durability
- CNC-controlled coil production
- Multiple height, diameter, and coil options
4. Felt & Insulation Materials
High-performance felt solutions for mattress, furniture, and industrial applications.
- Recycled + natural fiber blends
- 200–1800 g/m² weight range
- Thermo-bonded, hard felt, and soft felt options
- Heat, impact, and acoustic insulation
- Excellent compatibility with cutting, pressing, and lamination processes
Engineering, Quality & Performance
Engineering & Quality Highlights
- Production capacity equal to 14,000 mattresses/day
- Metallurgical testing and hardness-profile control in wire drawing
- Ultrasonic weld verification in pocket spring production
- Cycle-durability testing in bonnell systems
- Density, tensile strength, and heat-resistance analysis in felt products
- Wide range of felt options from 200–1800 g/m²
- REACH, RoHS, and EU-compliant raw materials
- OEM customization for dimensions, firmness, packaging, and sampling
- Packaging optimized for retail and e-commerce logistics
Production Processes
- Fully traceable digital production management
- Lot-based quality reporting and performance certification
- Final visual & technical inspection before global shipment
- Continuous process optimization supported by R&D
This structure offers manufacturers not only material supply but an engineering-driven solution ensuring stable quality, long lifespan, high performance, and reduced return rates.
Application Areas
- Mattress manufacturing (bonnell + pocket + hybrid systems)
- High-durability hotel & residential mattress programs
- Sofa & armchair seating support systems
- Automotive seating support components
- Industrial insulation applications
- Furniture padding and impact-absorbing layers
