
Overview
About Eisenwerk Winnweiler Krämer KG
Who we are
As a family-run company, we have been developing and manufacturing wood-powered hot air heating systems for commercial, industrial and agricultural applications since 1972. With heating outputs of 17 to 198 kW, we offer powerful and economical heating solutions for workshops, production halls, carpenters, warehouses and numerous other areas of application. A particular focus of our company is on the development of our own heating systems. As a result, design, technology and performance can be optimally tailored to the requirements of our customers. Our many years of experience, combined with modern manufacturing technology and practice-oriented solutions, form the basis for reliable and long-lasting heating systems. In addition to heating technology, we are also a supplier for metal construction, steel construction and sheet metal processing. We manufacture individual components, welded structures and assemblies for industry, crafts and commerce. Thanks to our modern metal processing and flexible manufacturing, both individual parts and small batches can be produced economically and precisely. From development and production to assembly and service, our customers receive individual solutions from a single source. In doing so, we attach great importance to the quality, efficiency, robust construction and high suitability of our products for everyday use. As a family business in its 4th generation, personal advice, customer service, reliability and long-term partnerships have been at the heart of everything we do for over 50 years.
Winnweiler, Germany
Member since 2026
Employees5 - 10
Certificates1
Turnover1 - 5 Mil.
Year of foundation1972
Competencies
Technologies
Welding
| Technologies | Lotsize | Length | Width | Height | Weight | Material thickness |
|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 25–100 | 1,000–2,500 mm | 1,000–2,500 mm | 1,000–2,500 mm | 25–500 kg | — |
Spot welding | 1–500 | — | — | — | — | 0.6–3 mm |
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | from 0 mm | from 0 mm | from 0 mm | from 0 kg |
Pipe & Tube Manufacturing
| Technologies | Lotsize | Length | Width | Diameter | Material thickness |
|---|---|---|---|---|---|
Pipe forming | 1–500 | 80–2,000 mm | — | 80–750 mm | — |
Plate rolling / bending | 1–1,000 | — | 0–3,000 mm | — | 0–5 mm |
Sheet Metal Processing
| Technologies | Lotsize | Length | Width | Weight | Material thickness |
|---|---|---|---|---|---|
Bending / folding | 1–1,000 | 0–3,000 mm | — | — | 0–8 mm |
Plasma fusion cutting | 1–500 | 15–3,000 mm | 15–1,500 mm | 0–700 kg | 0.6–20 mm |
Plate rolling / bending | 1–500 | — | 5–1,000 mm | — | 0.6–3 mm |
Assembly Group Manufacturing
| Technologies | Lotsize | Material thickness |
|---|---|---|
Folding | 1–500 | 0.6–3 mm |
Sheet Metal Forming (Stamping, Deep-drawing)
| Technologies | Lotsize | Width | Material thickness |
|---|---|---|---|
Plate rolling / bending | 1–500 | 5–1,000 mm | 0.6–1,000 mm |
Drilling / Sawing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Sawing | 1–500 | 0–6,000 mm | 0–355 mm | 5–355 mm | 5–355 mm | — |
Drilling / threading / tapping | 1–500 | 5–3,000 mm | 5–3,000 mm | 0–3,000 mm | — | 0–3,500 kg |
Materials
Steel
Structural steel
Cast metals
Cast steelCast iron
Light metals
Aluminium and aluminium alloys
Heavy metals
Zinc and zinc alloys
Industries
Building, agricultural and forestry machinery manufacturingConstruction and architectural suppliesSpecial purpose machinery manufacturingMilitary engineeringAir conditioning, refrigeration and ventilation industryMechanical engineeringPlant engineering and constructionApparatus engineering
Certificates
No certificates
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