... United States, Switzerland, Spain, the UK, Australia, etc. 2. OMAN cutlery used with the German Zwilling, WMF, WUSTOF grade steel ... production processes, plus -180 degrees cold forging processing 3. OMAN company has own specialized laboratories, all products through the most ... requirements, ISO 9001 and SGS quality certificates. 4. OMAN cutlery can provide consistent with the requirements of the HACCP ...