There are always challenges in manufacturing. These are not limited to producing parts exactly as specified in drawings, but often include projects that are considered difficult even to bring into form.
For many years, Yamaoka Co., Ltd. has taken on numerous projects regarded as difficult to mold or handle, repeatedly refining our processes and ultimately achieving the productization and mass production of components once thought to be impossible.
Our products range from those that support everyday life, such as housing, automotive, and electrical equipment components, to specialized equipment that plays a key role in national projects.
We take pride in the technological capabilities and proactive spirit that have consistently driven us to take on these challenges.
We are a manufacturer specializing in plastic molding that leverages the properties of a wide range of resin materials, producing architectural components, electronic parts, automotive parts, and products across many industries.
Guided by the belief that “what is difficult is precisely what is worth doing,” we will continue to respond to growing demands both in Japan and abroad, and remain a trusted manufacturing partner.
We sincerely appreciate your continued support.
Yamaoka Co., Ltd. Hirotada Yamaoka President and CEO
| Company Name | Yamaoka Co., Ltd. |
|---|---|
| Company Name in English | Yamaoka Co., Ltd. |
| General Director | Hirotada Yamaoka |
| Established | 1946 |
| Incorporated | August 2, 1971 |
| Capital | 30 million yen |
| Head Office | 3-7-10 Minami-Matsunaga-cho, Fukuyama-shi, Hiroshima 729-0105, Japan |
| TEL | +81-84-933-2257 |
| FAX | +81-84-934-7080 |
| info@yamaokak.com | |
| Website | https://yamaokak.co.jp/ |
| Employees | 70 |
Company Profile of Yamaoka Vietnam
| Head Office Plant | Site area 2,978 m², Building area 2,411 m² |
|---|---|
| South Plant | Site area 2,408 m², Building area 1,498 m² |
| Injection Molding Machines | 30 to 860 tons (30 units) |
| Vehicles | 4-ton wing truck, 2-ton truck, vans, forklifts |
| 1946 | Started wooden clog manufacturing at 515 Matsunaga-cho, Fukuyama |
|---|---|
| 1953 | Relocated from 515 Matsunaga-cho to 539 Matsunaga-cho, Fukuyama |
| 1963 | Transitioned from wooden clog manufacturing to wooden heel manufacturing |
| 1968 | Expanded with the Yanagitsu Plant in Yanagitsu-cho, Fukuyama |
| 1971 | Established Yamaoka Seisakusho Co., Ltd. with capital of 3 million yen |
| 1984 | Built a new plant in Minami-Matsunaga-cho 3-chome, Fukuyama, and relocated headquarters from 539 Matsunaga-cho |
| 1990 | Began plastic molding operations |
| 1993 | Reorganized as Yamaoka Co., Ltd. with capital of 10 million yen |
| 2005 | Expanded with the 4th plant and began assembly of electrical and electronic components |
| 2007 | Acquired ISO 9001 certification |
| 2008 | Exceeded 15 plastic molding machines and built the 7th plant |
| 2014 | Increased capital to 30 million yen |
| 2017 | Established YAMAOKA VIETNAM |
| 2019 | Completed YAMAOKA VIETNAM plastic molding plant |