The manufacturing process of copper watering cans that are ordered from all over the world. Due to its popularity, there is a 3-year wait. This is how a one-of-a-kind watering can, perfected through extensive research for bonsai, is made. "Negishi Industry Co., Ltd." Address: 1-17-30 Tsutsumi-dori, Sumida-ku, Tokyo TEL: 03-3611-2959 Official site: http://www.negishi-joro.co.jp/ Google Maps: https://goo.gl/maps/uGAig23miyeuDFw47?entry=yt Instagram: https://www.instagram.com/negishisangyo/ Facebook: https://www.facebook.com/negishi.joro Online shopping: https://www.mistore.jp/shopping/brand/list?brand=005870