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  3. 日東工作所
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日東工作所

EstablishmentJuly 2, 2015
capital600Ten thousand
addressOsaka/Hirakata-shi/Harunohino 1-1-7
phone072-808-4110
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last updated:Sep 13, 2025
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  • Products/Services(23)
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日東工作所 Company Profile

Supporting manufacturing with "jig expertise × precision machining."

Nitto Kousakusho Co., Ltd. (Osaka), founded in 1965, has a long history as a "designer and manufacturer of jigs and dedicated machines," specializing in "precision machining of mechanical parts for single items, small lots, and medium lots." Utilizing the unique know-how developed through the creation of jigs and dedicated machines, we flexibly respond to prototypes and single-item processing. We are equipped with a variety of machines, from general-purpose milling machines and lathes to MC and NC lathes, as well as grinding machines, allowing us to handle a diverse range of materials including iron, cast iron, aluminum, stainless steel, and copper. We also accommodate consultations from the conceptual stage and provide a one-stop service from ideas (concepts) to design, manufacturing, finishing, and delivery. Additionally, we are actively engaged in next-generation technologies, including the manufacturing and sales of our uniquely designed small Wankel-type rotary engine (NR series) and the development of hydrogen and multi-fuel compatible rotary engines. If you have any concerns regarding machining, please feel free to consult with us at Nitto Kousakusho Co., Ltd. (Osaka).

Business Activities

●Manufacturing and prototyping from single-item processing ●Precision machining of small to medium lots (from a few to several hundred pieces) ●Design and manufacturing of jigs and dedicated machines (comprehensive support from concept to delivery) ●Support for new product development ●External sales of original tools ●Manufacturing and sales of small rotary engines #Small lot machining #Medium lot machining #Single-item processing support #Prototyping #General machining

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Products/Services (23)

NR-12P” Limited Quantity Sale  product image
NR-12P” Limited Quantity Sale
Banker-type Rotary Engine 80cc (PROTO_TYPE) product image
Banker-type Rotary Engine 80cc (PROTO_TYPE)
Newly released silencer exclusively for NR-20/NRG-20 | For small RE product image
Newly released silencer exclusively for NR-20/NRG-20 | For small RE
~Equal Four-Jaw Chucking Fixture~ product image
~Equal Four-Jaw Chucking Fixture~

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catalog(5)

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Small 80cc RE "NRG-80" Special Order Production

Small 80cc RE "NRG-80" Special Order Production

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Solving processing troubles: High-precision parts, dedicated jigs, and new product development support | Nitto Kogyo Co., Ltd. (Osaka)

Solving processing troubles: High-precision parts, dedicated jigs, and new product development support | Nitto Kogyo Co., Ltd. (Osaka)

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Manufacturing that fuses concepts (ideas) with precision machining | Nitto Kogyo Co., Ltd. (Osaka)

Manufacturing that fuses concepts (ideas) with precision machining | Nitto Kogyo Co., Ltd. (Osaka)

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Core Puller "NK-SD085"

Core Puller "NK-SD085"

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news(14)

NRG-80 Special Order Production: Responding to Demand "800,000 yen per unit"

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045【Report from Our Company】2025/10/25 Nitto Manufacturing Co., Ltd. (Osaka) is a comprehensive manufacturing company that supports manufacturing with "jig expertise × precision machining." We are the original manufacturer of the Wankel rotary engine (RE). Our Wankel RE faithfully reproduces the basic structure of Dr. Wankel's design. We have received numerous inquiries regarding the special order production of the "NRG-80," which we started recently. In response to this feedback, we have set the price of the "NRG-80" at 800,000 yen per unit and will accept orders starting from one unit. Additionally, as a special benefit for this limited production, we will provide the following three items as gifts: 1. Silencer 2. Propeller attachment 3. Fuel tank (1L) Deadline for special order production benefits: November 10, 2025 (Monday) We kindly ask you to consider and place your orders during this opportunity. For related information, please also check our official blog below. https://www.nitto-mfg.com/blog-20250921/ #SingleItemProduction #SmallLotMachining #GeneralMachining #AlignmentTool #ToolCommercialization

Oct 28, 2025

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EN_NR12P_DM202510.jpg

NR-12P” Limited Quantity Sale Notice

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044【Company Update】 Official Blog https://www.nitto-mfg.com/blog-20251023/ We are pleased to announce that the NR-12P (airPlane)—previously Japan-only—is now available internationally, in limited quantities. If you are interested in the NR-12Hb (helicopter use), please contact us. As allocation is extremely limited, please register promptly; allocation is first-come, first-served. We will send timing & availability updates to respondents. Thank you for your continued support. We appreciate your interest!

Oct 28, 2025

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Announcement of Limited Special Order Production of the 80cc Rotary Engine “NRG-80”

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Announcement of Limited Special Order Production of the 80cc Rotary Engine “NRG-80” 043[Company Report] 2024/09/24 Official Blog https://www.nitto-mfg.com/blog-20250925/ NITTO MFG. Co., Ltd. (Osaka) is a comprehensive manufacturing company that supports Monozukuri (manufacturing industry) through its expertise in jigs and precision machining. We are also a manufacturer of Wankel rotary engines (RE). Our Wankel rotary engines faithfully reproduce the fundamental structure designed by Dr. Felix Wankel. We are pleased to announce that NITTO MFG. (Osaka) has officially launched sales of the prototype-developed 80cc gasoline rotary engine, now offered as the NRG-80 Special Order Production Model. [Please refer to the pamphlet] This product is a compact 80cc rotary engine developed using our long-cultivated precision machining technology and proprietary know-how. Through our commitment to original Monozukuri (manufacturing), we will continue to meet diverse customer needs and contribute to society. A running video of the engine can be viewed at the following link: https://www.youtube.com/watch?v=mVCfVFYMrGU #RotaryEngine #HydrogenRotaryEngine #NittoMFG 

Sep 22, 2025

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Detailed information

Company name 日東工作所
Contact addresspostalcode 573-0131 Osaka/ Hirakata-shi/ Harunohino 1-1-7View on map TEL:072-808-4110 FAX:072-808-4111
Key PartnersMachine parts manufacturer Inspection equipment manufacturer Transmission parts trading company Machinery manufacturer Research institution University, etc.
New customers are welcome to contact us anytime.
Industry others
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