Westfalia has created together with amt gastroguss one of the leading german providers of professional die cast aluminium cookware its own series years of experience and the demands of the professional gastronomy have been applied to the series the result our top die cast aluminium cookware which is even good enough for professionals to use the wok is heavy based is made to last and has 4 ceramic special seals the 8 10 mm thick full contact base and the hand cast process ensures