Operating within Japan, Nihon Seikan k.k. specializes in the production and... Operating within Japan, Nihon Seikan k.k. specializes in the production and distribution of metal containers. Their extensive product line encompasses various types, including adhesive-sealed cans, decorative art cans, and welding-process containers, among others. In addition to its primary manufacturing activities, the firm also maintains a real estate leasing operation. This company, established in 1914, is headquartered in Saitama, Japan.