Corporate Info
Message from the President
Plantation Iwamoto Co., Ltd. has proudly supplied premium potting soils and growing mediums to providing high-end bonsai, succulent and other potted-plant enthusiasts around the world for more than four decades. Our flagship product, “Three Line Akadama (Sanbonsen),” exemplifies our commitment to excellence through an integrated system covering everything from selective extraction of high-quality raw materials, red-clay (akatsuchi), to manufacturing, rigorous quality control, internet-based order management, logistics operations, and international trade including trilateral transactions. This comprehensive management approach ensures unparalleled consistency and reliability, earning robust international trust and recognition, particularly in China, Taiwan, Korea, Europe, the Americas, Thailand, Vietnam and Australia.
At our manufacturing facility, we continuously introduce a combination of cutting-edge technologies and skilled expertise to enhance productivity and minimize environmental impact. Through optimal use of crushers, rotary kilns, automatic packaging machines, palletizers, and advanced dust collection systems, we achieve significant improvements in both operational efficiency and sustainability.
With the global expansion of Japan-originated gardening markets, notably bonsai, there is a growing demand for Akadama soil products that achieve higher quality while increasing production volumes. To meet these evolving market demands, we conduct fundamental research and development from raw material drying to processing. We also systematically implement skill-development training and quality-improvement initiatives for our manufacturing teams. Furthermore, we actively enhance our logistics management systems and customer service capabilities to promptly and effectively respond to client requests worldwide.
Moving forward, guided by our corporate vision – “High quality Akadama for global happiness” – we will continue to closely track evolving market needs, flexibly develop products, and rapidly address market dynamics, ensuring enduring trust and satisfaction among customers worldwide. Our aim remains sustainable global growth, consistently exceeding customer expectations while further expanding the global reach of our Three Line brand.
Coporate Data
| Company name | Plantation Iwamoto Co., Ltd. |
|---|---|
| Representative | Yoshitoshi Iwamoto |
| Locations | – Head Office & Factory 455 Momiyama, Hokota, Ibaraki, 311-1426 Japan – Container Loading Warehouse 1573-16 Katsuori, Hokota, Ibaraki, 311-1422 Japan |
| Phone | +81-291-37-1221 |
| Fax | +81-291-37-1222 |
| Established | Founded in 1967, Incorporated in 1972 |
| Capital | 10 million yen |
| Employees | 19 (including outsourced personnel) |
| Corporate Website | https://p-iwamoto.com/ |
| Online Shopping Platforms | – Official Store: https://www.p-iwamoto.co.jp/ – Rakuten Market: https://www.rakuten.ne.jp/gold/planto-iwa/ – Yahoo Shopping https://store.shopping.yahoo.co.jp/planto-iwa/ ※available for domestic delivery within Japan only |
| Main Business and Services | Production of horticultural soil and growing mediums, especially our own brand “Sanbon Line Akadama Soil,” internet sales, and exports including trilateral trade. |
| Primary Products | Akadama (Sun-dried and Heat-treated) |
| Main Export Markets | China, Taiwan, Korea, Europe, USA, Thailand, Vietnam, Australia |
| Primary Bank | The Joyo Bank, Asahi Branch |
| Facilities | Sun-drying facilities, crushers, rotary kilns for heat-treatment, trommels, automatic packaging machines, palletizers, dust collection systems |
Coporate History
| 1967 | Established as a producer and distributor of ornamental plants |
|---|---|
| 1972 | Incorporated as Plantation Iwamoto Co., Ltd., with capital of 10 million yen |
| 1984 | Commenced production of Akadama soil |
| 1995 | Began full-scale containerized export of Akadama soil |
| 2000 | Initiated planned investment in production equipment in response to a global surge in demand |
| 2017 | Registered “Three Line (Sanbonsen)” as a trademark (Registration No. 5941181) |
| 2020 | Undertook a major renewal of production equipment |
| 2022 | Installed large-scale dust collection facilities |
| 2023 | Opened new container loading warehouse, ending loading operations at the previous site |
Access
Head Office & Factory
455 Momiyama, Hokota, Ibaraki, 311-1426 Japan
Phone：+81-291-37-1221
FAX：+81-291-37-1222