Industrial sectors

Sun shade


Wall / façade


Windows / doors

Agricultural technology

Air conditioning and ventilation systems


  • Anchoring façade panels / façade boards
  • Gutter fasteners
  • Weather protection systems
  • Lock barrels for windows and doors
  • Window installation
  • Door installation
  • Awning fittings
  • Assembly of cow, poultry and pig stalls
  • High-strength components for biogas plants
  • Fastenings for roofs and suspended ceilings

Products & services

Bolted connections
Direct fastenings
Chains, wire ropes & accessories
Anchors and accessories
Adhesive technology

Production processes

Cold forging
Sheet metal processing
Aluminium rod casting
Plastic injection moulding

Useful information

Ms Almut Ratajczak

WASI-Straße 1
42287 Wuppertal
T +49(0)202 / 26 32-166
F +49(0)202 / 26 32-313



You can find all product catalogues, brochures and certificates available as PDF documents to download in our download area.

Order simply, quickly and easily in our WASI web shop. You can get all the important information about your desired article along with current prices and availability.

The latest news from our company.