With an integrated manufacturing system that encompasses press and welding,
as well as machining at our group companies,
we will continue to be a trusted partner.
We keep our eyes on the essence of manufacturing,
refining both our technology and our people,
and contributing to society through value-driven manufacturing.
| 1946 | Established HIROOKA TEKKOJO Co., Ltd. with capital of 100,000 yen, starting machine tool assembly and repair. |
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| 1952 | Started press machining of automotive fenders. |
| 1962 | Started business with Nissan Diesel Industry (now UD Trucks Corporation). |
| 1963 | Increased capital to 2.5 million yen and reorganized into HIROOKA TEKKOJO Co., Ltd. |
| 1964 | Started business with Yaskawa Electric Manufacturing (now Yaskawa Electric). |
| 1965 | Started business with Akebono Brake Industry. |
| 1975 | Relocated to Kuki Shobu Industrial Park (current location) and renamed to HIROOKA TEKKO Co., Ltd. |
| 1981 | Started business with Komatsu Zenoah (now Komatsu Ltd.). |
| 1983 | Built and started operation of Saitama Kuki No.2 Plant in Kiyoku Industrial Park. |
| 1990 | Started business with Sakai Heavy Industries (now Tokyo Fuji). |
| 1991 | Received the Quality Excellence Award from Nissan Diesel Industry (now UD Trucks Corporation). |
| 1992 | Started business with Combi Corporation. |
| 2001 | Started business with Nippon Signal (Tochigi Nisshin). |
| 2004 | Started business with Soshin Co., Ltd. |
| 2005 | Started business with Maeda Seisakusho. |
| 2006 | Started business with Isuzu Motors. |
| 2010 | Started business with Kato Works. Started operation of Gunma Ota Plant. |
| 2011 | Started operation of HIROOKA(THAILAND) Plant in Thailand. |
| 2015 | Expanded HIROOKA(THAILAND) Plant (2nd plant) in Thailand. |
| 2017 | Certified by Saitama Prefecture as a Sai-no-Kuni Designated Plant. |
| 2022 | Made Goto Machinery Co., Ltd. a group company. |
| 2024 | Made Sanwa Seisakusho Co., Ltd. a group company. |
To support safer and more comfortable truck transportation, we poroduce bumper, cab suspension link and engine support etc.
We produce small power shovel arms (boom) and hands (buckets)base carrier that can be seen in street.
We produce brake parts which support safe railway transport.
We produce the frame of exercise bikes that helped in health care.
Three dimensional CAD simulates and inspets problems and functionalities in advance. And then we start to build prototypes according as the analytic data shows.
The integrated control by digitalized data enaabled manufacturing improvements, and achieved high speed, highly accurate processing.
To manufacture products of complex form, work of several processes is required. At Hirooka Tekko, we manufacture products of fine quality, increasing productivity, through sccurate smooth work by using press and welding technology which can meet various uses.
Integrated line for cleaning, zinc coating treatment, coating and baking dry up system. Less loss in paint, even complex shape products can be painted in a uniform thickness, and excellent corrosion resistance.
Products finished by production line are inspected in detail to be checked if they are up to the standard. three Dimensional Measuring Instrument is portable type, therefore, products with complex shape, length. angle and hole can be measured precisely.
| Laser Cutting Machine |
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| Coating Line |
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| Transportation |
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| Automatic storage |
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| Transportation |
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| Press Machine |
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| Welding Machines |
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| Machining |
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Hirooka Tekko recognizes global environment conservation as one of the important issues, and focus on education for all employees to understand environmental policy and raise awareness.
Therefore we are trying to prevent global environmental pollution.
We will raise the reliability with society and aim for business growth.
Further more, participate in volunteer activities and communication with local communities.
