In Chinatown in Yokohama accounts for 80% share of, is wok manufacturer for the business. Craftsmen one by one hammer (machine) was finished with all the one of each technique Japan is the wok to be proud of in the world. Craftsmen molecule of iron is fine because the building hit thousands of times with a hammer, the material is able to fine uneven surface well transmitted the heat is so varied, ride of the oil well, is light and durable hard to scorching.