Nambu Ironware Frying Pan Not only does it work with gas but it also works with induction 100 V and 200 V. The thick Nanbu ironware has heat preservation, and the heat stored is efficiently transferred to the food and brings out the flavor of the material. The baking surface has a fine texture that is oil friendly and non-stick. The cooked food will release a lot of iron dioxide that is easy to absorb by the body. Iwate’s products are carefully crafted by traditional artisans to ensure quality. Since its establishment in 1994, we've been committed to creating products that fit modern lives, while maintaining the tradition of Nambu Ironware. The quality of this rock casting product is supported by artisans who continue tradition. Food cooked in an iron pot contains the iron content that tends to lack in everyday life.