We have summarized the production process at Nambu Ironware Studio Oitomi in a short video. We have been providing our customers with individually handcrafted Nambu Tetsubin (Japanese cast iron kettles) since 1848 until today. Nambu Ironware Studio Oitomi, founded in 1848 - Online Shop, shipping directly from Japan to the worldwide https://oitomi.com/ If you have any questions about the tetsubin, please feel free to ask in the comments section below. #tea #teaware #tetsubin #teakettle #japan #japanesetea #chinesetea #teaceremony #teapot #greentea #matcha