| Loại | Manufacturer |
|---|---|
| Trang web | https://www.wera.de/ |
| Số điện thoại | +49 202 / 40 45 - 0 |
| Địa chỉ | Korzerter Strasse 21-25 D - 42349 Wuppertal |
Wera Tools Research & Development centre in Wuppertal Germany has created a vacuum ice-hardening process that preserves flexibility while making seriously hard stainless steel.