Ogasawara Chuzosho, established in 1875 in Yamagata Prefecture, is a Japanese foundry specializing in Nambu Tekki ironware. Known for its traditional craftsmanship, the company produces high-quality iron kettles, teapots, and other iron products. Their items are celebrated for their durability, heat retention, and elegant designs, making them both practical and culturally significant, especially in tea ceremonies. Ogasawara Chuzosho’s commitment to tradition and quality has earned it a respected reputation in the field of Japanese ironware.