
Welded constructions and cut parts up to 85 t for machinery, press and plant engineering as well as large industrial door systems for industry and aircraft hangars.

JUNG Stahl-, Maschinen- und Torbau GmbH & Co. KG
Bad Laasphe-Banfe (DE)New on Amplifa
About JUNG
JUNG Stahl-, Maschinen- und Torbau GmbH & Co. KG manufactures welded constructions and flame-cut parts to customer drawings for special machinery, press manufacturing and plant engineering, including heat treatment (annealing), sandblasting, priming, painting and machining. Cut and welded parts are produced up to 85 t unit weight and lengths up to 25,000 mm; machined constructions are possible up to 22,000 mm in length. In addition, the product range includes door construction: high-speed doors, roller shutters, sectional doors, folding sliding doors, sliding doors, access hatches as well as large door systems such as aircraft hangar doors up to 150 m in length and 20 m in height, including installation, maintenance and spare parts sales. In-house installation crews and heavy-load transports up to approx. 86 t complete the value chain. Customer industries include, among others, press manufacturing, iron and steel mill and rolling mill technology, continuous casting systems, recycling systems, tunnel construction (TBM components) as well as exhibition and aircraft hangars. The family-owned company has existed since 1929 and is located in Bad Laasphe-Banfe, North Rhine-Westphalia.
- Site
- Bad Laasphe-Banfe
- Processes
- Welded constructions / welded parts for special machinery and press manufacturing, Flame cutting / cut parts, Machining (fully machined welded constructions), Annealing (heat treatment of welded constructions), Sandblasting, Priming and painting, Structural steelwork load-bearing components and assemblies up to EXC3 in accordance with EN 1090-2, Door construction: high-speed doors, roller shutters, sectional doors, folding sliding doors,
- Materials
- Steel, Steel sandwich panels (galvanized sheet steel), Aluminium (cold-rolled, extruded, anodized), Aluminium sandwich panels, Plastic (PVC, polycarbonate, plastic glazing), Polyurethane foam core (CFC-free), Aluminium, Plastic (PVC, polycarbonate)
- Certificates
- DIN EN ISO 3834-3 (certified welding company), EN 1090-2 EXC3 / EN 1090-1 ZA 3.2, ZA 3.4 (EU certificate,, DIN EN ISO 3834-3, EN 1090-2 EXC3, EN 1090-1 ZA 3.2 / ZA 3.4, ISO 9001
- Founded
- 1929
- Industries
- Special machinery, Press manufacturing, Plant engineering, Structural steelwork, Iron and steel mill and rolling mill technology, Continuous casting systems
- 01
Design / consulting (one-face-to-the-customer)
- 02
Flame cutting (cut parts)
- 03
Welding fabrication
- 04
Annealing (heat treatment)
- 05
Sandblasting
- 06
Priming and painting
- 07
Machining
- 08
Assembly
- 09
Transport & logistics (heavy loads up to approx. 86 t)
Materials & Processes
Steel
Main material for welded constructions, press and machine components; also galvanized steel sandwich panels for sectional doors.
Aluminium
Cold-rolled and extruded aluminium profiles for roller shutters as well as aluminium sandwich panels and infills for sectional doors.
Plastic (PVC, polycarbonate)
Transparent infills and plastic glazing for access hatches and door sections; CFC-free polyurethane foam core as insulation.
Locations

Bad Laasphe-Banfe
DEHeadquarters with production, fabrication hall for large doors, assembly and administration
- Part weight / size
- up to 85 t unit weight (cut/welded parts)
- Lot size
- Single parts and small series to drawing
- Materials
- Steel, aluminium, plastic
- Hydraulic guillotine shear
- Production and fabrication hall for large doors
Components




Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Welded constructions / welded parts for special machinery and press manufacturingJoining | – | 25,000 mm × 4,200 mm × 3,500 mm | 85 t | – | Steel |
| Flame cutting / cut partsMachining | – | – | 85 t | – | Steel |
| Machining (fully machined welded constructions)Machining | – | 22,000 mm × 4,500 mm × 3,500 mm | 56 t | – | Steel |
| Annealing (heat treatment of welded constructions)Heat treatment | – | – | 85 t | – | Steel |
| SandblastingSurface | – | – | 85 t | – | Steel |
| Priming and paintingSurface | – | – | 85 t | – | Steel |
| Structural steelwork load-bearing components and assemblies up to EXC3 in accordance with EN 1090-2Assembly | – | – | 85 t | – | Steel |
| Door construction: high-speed doors, roller shutters, sectional doors, folding sliding doors,Assembly | – | 150.00 m × 20.00 m × 20.00 m | – | – | Steel, Aluminium, Plastic |
| Transport and logistics (heavy-load transports)Assembly | – | 25.00 m × 4.65 m × 3.80 m | 86 t | – | – |
| Assembly (in-house installation crews, professional door installation)Assembly | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Hydraulic guillotine shear (sheet metal working) | – | 1 | – | – | Bad Laasphe-Banfe |
| Production hall / fabrication hall for large doors | – | 1 | – | – | Bad Laasphe-Banfe |
Additional services
Reference customers
Quality & Certification
As a recognized certified welding company, JUNG is certified to DIN EN ISO 3834-3; welding work is carried out by certified welders under the supervision of experienced welding engineers. As an EU-certified manufacturer under the Construction Products Regulation (EU) No. 305/2011, JUNG manufactures load-bearing components for steel load-bearing structures up to EXC3 in accordance with EN 1090-2.
| Evidence | Bad Laasphe-Banfe |
|---|---|
| DIN EN ISO 3834-3 | |
| EN 1090-2 EXC3 | |
| EN 1090-1 ZA 3.2 / ZA 3.4 | |
| ISO 9001 |
History
- 1929
Foundation of the company Adolf Jung (metalworking shop, mechanical engineering, installations) by Adolf Jung; production of doors as well as repair and maintenance work.
- 1970
Company Adolf Jung under owner Kurt Jung.
- 1997
Renaming to JUNG Stahl-, Maschinen- und Torbau GmbH & Co. KG, managing director Frank Jung; specialization in general mechanical and structural steel engineering.
- 2024
95 years of mechanical engineering (1929–2024).