Surface technology since 1880: electroplating, chemical and mechanical treatment as well as decoration of precision parts
Estoppey-Addor AG
Biel/Bienne (Wasenstrasse 32, CH-2502)New on Amplifa
About Estoppey-Addor
Estoppey-Addor AG is a Swiss specialist in surface technology based in Biel/Bienne. Founded in 1880 as a workshop for gilding wheels and watch movements, the company today treats components electroplated, chemically and mechanically. Its range covers decorative gilding (1N–6N), palladium-nickel, rhodium plating, black chrome, hard chrome plating, electroless nickel plating including Ni-PTFE variants, blasting, micro-bead blasting, heat treatment, passivation, Epilam coating as well as masking, permanent lacquering and watch decoration (Côtes de Genève, perlage, soleilage). Customers come from turning/décolletage, precision mechanics, the watch industry, jewellery, non-implantable medical technology, electronics and the pen industry. The management system is certified to ISO 9001 and ISO 14001 (2015 revision). At Wasenstrasse in Biel, the approximately 25 employees have a doubled production floor area with a computer-controlled wastewater treatment plant.
- Site
- CH-2502 Biel/Bienne
- Processes
- Dorages 1N-6N (gilding), Palladium-nickel (palladium-nickel coating), Rhodiage (rhodium plating), Or-cuivre-indium (gold-copper-indium), AnthraDEC, Chromage noir (black chrome), Hardinox étain-nickel (tin-nickel), Hardalloy W
- Certificates
- ISO 9001, ISO 14001, ISO 45001, IATF 16949
- Founded
- 1880
- Industries
- Watch industry, Turning/Décolletage, Precision mechanics, Jewellery, Medical technology (non-implantable), Electronics
- 01
Goods receipt / acceptance
- 02
Pretreatment (blasting, micro-bead blasting, masking)
- 03
Electroplating / chemical surface treatment
- 04
Decoration or lacquer application
- 05
Heat treatment / passivation as required
- 06
Final inspection and shipping
Locations
Biel/Bienne
CHHeadquarters, production (electroplating, surface treatment)
- Part weight / size
- max. approx. 40 × 40 cm
- Lot size
- Small to series quantities (turning, precision mechanics)
- Materials
- Metals for electroplating, chemical and mechanical treatment
- Electroplating lines
- Electroless nickel workshop (modernised 2019)
- Hard chrome workshop
- Decoration workshop (2018)
- Lacquer application workshop with 6 workstations (2021)
- Computer-controlled wastewater treatment plant
- Blasting systems
Treated Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Dorages 1N-6N (gilding)Surface | – | – | – | – | – |
| Palladium-nickel (palladium-nickel coating)Surface | – | – | – | – | – |
| Rhodiage (rhodium plating)Surface | – | – | – | – | – |
| Or-cuivre-indium (gold-copper-indium)Surface | – | – | – | – | – |
| AnthraDECSurface | – | – | – | – | – |
| Chromage noir (black chrome)Surface | – | – | – | – | – |
| Hardinox étain-nickel (tin-nickel)Surface | – | – | – | – | – |
| Hardalloy WSurface | – | – | – | – | – |
| Chromage dur (hard chrome plating)Surface | – | – | – | – | – |
| Nickelage chimique (electroless nickel)Surface | – | – | – | – | – |
| Nickelflon Ni-PTFE (electroless nickel with PTFE)Surface | – | – | – | – | – |
| HardanicSurface | – | – | – | – | – |
| Nickel électrolytique / galvanique (electrolytic nickel plating)Surface | – | – | – | – | – |
| Sablage (sand blasting)Surface | – | – | – | – | – |
| Microbillage (micro-bead blasting)Surface | – | – | – | – | – |
| Traitement thermique (heat treatment)Surface | – | – | – | – | – |
| ÉpilamageSurface | – | – | – | – | – |
| PassivationSurface | – | – | – | – | – |
| Pose d'épargne (masking/épargne for two-tone parts, text/motifs)Surface | – | – | – | – | – |
| Vernis définitifs (permanent lacquer application)Surface | – | – | – | – | – |
| Côtes de Genève (Geneva stripes)Surface | – | – | – | – | – |
| Perlage (pearl grinding)Surface | – | – | – | – | – |
| Colimaçonnage (spiral decoration)Surface | – | – | – | – | – |
| Soleillage (sunray finish)Surface | – | – | – | – | – |
| Traits tirés droits (straight draw lines)Surface | – | – | – | – | – |
| Gilding / silvering of wheels and watch movementsSurface | – | – | – | – | – |
Additional services
Reference customers
Quality and Certification
The management system has been certified to ISO 9001 since 1996 and to ISO 14001 since 2008 (both 2015 revision) by Swiss Safety Center AG (validity 2023–2026). The computer-controlled wastewater treatment plant supports environmental protection at the production site.
| Evidence | Biel/Bienne |
|---|---|
| ISO 9001 | |
| ISO 14001 | |
| ISO 45001 | |
| IATF 16949 |