Contract coater for powder coating, wet painting and special coatings of metal components up to 400 kg piece weight.
weist + wienecke oberflächenveredelung GmbH
Alfeld (Leine), GermanyNew on Amplifa
About WWO
weist + wienecke oberflächenveredelung GmbH (WWO) is a contract coater founded in 1996 and based in Alfeld (Leine). The company coats and finishes components made of aluminium, steel, galvanized steel, stainless steel and castings. The core processes are powder coating, wet painting, effect coating, powder zinc coating, sandblasting for surface preparation and screen printing. Several coating systems enable economical processing of single pieces, prototypes and small series through to large series; the part range extends up to 3000 x 2000 x 1100 mm at 400 kg piece weight. Special coatings are also offered, such as antibacterial, anti-graffiti, glow-in-the-dark, high-temperature-resistant, food-safe, anti-slip and scratch-resistant systems as well as camouflage coatings per RAL F9/HR. Customers come, among others, from medical technology, mechanical engineering, the food industry, trade fair and shop fitting, the furniture industry, foundries, enclosure manufacturing, rail vehicle construction, defence technology and e-mobility. WWO is certified to DIN EN ISO 9001:2015 and EMAS, is a QIB-certified specialist company and a product-qualified supplier of Deutsche Bahn AG per DBS 918340.
- Site
- Alfeld (Leine)
- Processes
- Powder coating, Wet painting, Effect coating (e.g. metallic effect), Powder zinc coating, Sandblasting (surface preparation, cleaning, rust removal), Screen printing (screen printing process), Antibacterial powder coating, Anti-graffiti coating
- Materials
- Aluminium, Steel, Galvanized steel, Stainless steel, Castings, Powder coating, Wet painting, Effect coating
- Certificates
- DIN EN ISO 9001:2015, EMAS (incl. ISO 14001), QIB-certified specialist company, EN 1090 certificate corrosion protection, Quality seal Secure with System (SmS), NLF/ILO-OSH 2001, CrefoZert creditworthiness certificate, Product qualification DBS 918340 (ALU/STEEL/stainless steel, interior/exterior), EMAS / ISO 14001, EN 1090 (corrosion protection), SmS quality seal (NLF/ILO-OSH 2001), Product qualification DBS 918340
- Founded
- 1996
- Industries
- Medical technology, Mechanical engineering, Food industry, Trade fair construction, Shop fitting, Furniture industry
- 01
Quotation and project review
- 02
Surface preparation (sandblasting, degreasing, masking, filler work)
- 03
Coating (powder or wet paint)
- 04
QA laboratory testing (layer thickness, cross-cut test, visual inspection)
- 05
Packaging, works certificates, assembly and delivery
Materials & Processes
Aluminium
Electrically conductive lightweight metal, among other things with DB product qualification for rail vehicle components.
Steel
Main material for mechanical engineering and construction parts with corrosion protection per EN 1090.
Galvanized steel
Coating of galvanized steel parts for long-lasting corrosion protection.
Stainless steel
Coating per DBS 918340 for interior and exterior areas of rail vehicles.
Castings
Coating of castings from the part spectrum of reference customers.
Powder coating
Solvent-free process with high corrosion protection and high chemical resistance.
Wet painting
Spray process with solvent-based paint systems for versatile applications.
Effect coating
Special surface finishing, e.g. metallic and hammer-finish effects.
Powder zinc coating
Zinc layer on steel as corrosion protection.
Sandblasting
Surface preparation by cleaning and rust removal for optimal adhesion.
Screen printing
Screen printing process for printing workpieces.
Locations
Alfeld (Leine)
DEHeadquarters, production and administration
- Part weight / size
- up to 400 kg
- Lot size
- Single piece to large series
- Materials
- Aluminium, steel, galvanized steel, stainless steel, castings
- Powder coating system 3000 x 2000 x 1100 mm, 400 kg
- Flexible powder coating system 1600 x 1200 x 950 mm, 70 kg
- Automatic coating system
- Manual booth / powder center
- 2nd coating system (under construction)
- QA laboratory
Coated Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Powder coatingSurface | – | 3000 mm × 1100 mm × 2000 mm | 400 kg | Single piece – Large series | Aluminium, Galvanized steel, Steel, Stainless steel, Castings |
| Wet paintingSurface | – | – | – | – | Steel, Aluminium, Galvanized steel |
| Effect coating (e.g. metallic effect)Surface | – | – | – | – | Metal |
| Powder zinc coatingSurface | – | – | – | – | Steel |
| Sandblasting (surface preparation, cleaning, rust removal)Surface | – | – | – | – | Metal |
| Screen printing (screen printing process)Surface | – | – | – | – | – |
| Antibacterial powder coatingSurface | – | – | – | – | – |
| Anti-graffiti coatingSurface | – | – | – | – | – |
| Glow-in-the-dark (fluorescent) powder coatingSurface | – | – | – | – | – |
| High-temperature-resistant powder coatingSurface | – | – | – | – | – |
| Food-safe powder coatingSurface | – | – | – | – | – |
| Scratch-resistant powder coatingSurface | – | – | – | – | Steel |
| Anti-slip powder coatingSurface | – | – | – | – | – |
| Powder coating with camouflage function (RAL F9/HR, IR camouflage)Surface | – | – | – | – | – |
| Powder primer (e.g. zinc or epoxy powder)Surface | – | – | – | – | – |
| Filler work / component preparation / maskingSurface | – | – | – | – | – |
| Completion and assembly according to customer requirementsAssembly | – | – | – | – | – |
| Layer thickness measurement / cross-cut test / 100% visual inspection (QA laboratory)Testing | – | – | – | – | – |
5 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Powder coating system (large, part range 3000 L x 2000 H x 1100 W mm, piece weight 400 kg) | – | 1 | 3000 L x 2000 H x 1100 W mm | 2000 | Alfeld (Leine) |
| Small flexible powder coating system (part range 1600 L x 1200 H x 950 W mm, piece weight | – | 1 | 1600 L x 1200 H x 950 W mm | 1996 | Alfeld (Leine) |
| Automatic coating system | – | 1 | – | 2015 | Alfeld (Leine) |
| Manual booth (powder center) | – | 1 | – | 2008 | Alfeld (Leine) |
| 2nd coating system (under construction) | – | 1 | – | 2026 | Alfeld (Leine) |
Additional services
Reference customers
Quality & Certifications
Production parameters are monitored several times a day; in the in-house QA laboratory, layer thickness measurements, cross-cut tests and 100% visual inspections are carried out alongside production. WWO is a QIB-certified specialist company and approved with all product qualifications per DBS 918340 for aluminium, steel and stainless steel (interior/exterior).
| Evidence | Alfeld (Leine) |
|---|---|
| DIN EN ISO 9001:2015 | |
| EMAS / ISO 14001 | |
| QIB-certified specialist company | |
| EN 1090 (corrosion protection) | |
| SmS quality seal (NLF/ILO-OSH 2001) | |
| Product qualification DBS 918340 |
Company History
- 1996
Founding of weist + wienecke oberflächenveredelung GmbH by Oliver Weist and Rolf Wienecke; renting of a production hall, set-up of a small powder coating system
- 2000
Purchase of a property with administration and production space, expansion of hall area, larger powder coating system (3000x2000x1100 mm, 400 kg)
- 2001
Move to new premises (June)
- 2002
Introduction of wwoTI (Technical Information for customers)
- 2004
Introduction of a QM system per DIN EN ISO 9001
- 2006
Audited as a berufundfamilie company; turn of the year 2006/2007: Oliver Weist becomes sole shareholder and managing director
- 2007
Joined QIB, establishment of QA laboratory
- 2008
Investments in powder center and additional manual booth; IKK Impuls seal
- 2010
PQ of Deutsche Bahn for exterior parts ALU
- 2011
EMAS certification; in-house calculation software
- 2013
PQ of Deutsche Bahn for exterior parts STEEL; ERP expansion
- 2014
EN 1090 certificate for corrosion protection; in-house BDE software
- 2015
Automatic coating, two-storey hall extension
- 2016
All product qualifications per DB coating standard TL 918340
- 2017
Winner of the besserlackieren Award 2017 (category contract coating <50 employees)
- 2020
TOP 100 Innovator; systemically relevant status
- 2021
Entry into e-mobility, photovoltaic system, nominated for the Lower Saxony Innovation Award
- 2025
Extensive retrofit of the coating systems
- 2026
30 years of WWO; 2nd coating system, AI server, defence technology qualification