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COMPANY PROFILEOHNO SEIKO CO.,LTD.
Address

35-1 Onawa, Shimohasumi-Cho, Nishio, Aichi 445-0012, Japan

Tel+81-0563-75-3922

Emailinfo@ohnoseiko.com

Websitehttps://www.ohnoseiko.com/Contact Person

Parts Processing : Sales Section 1,Mr. Masato Hanai
Machine retailing : Machinery & Equipment Sales Division,
Mr. Kazuya Minezawa

Capability Category(Parts Processing Business)
・Aircraft parts inspection jig： Processing & Assembly・Parts for semiconductor manufacturing equipment：
Processing
・Precision parts for automotive devices：
Design,Processing ＆ Assembly【Machinery & Equipment Sales Division】
・Sales of molybdenum wire EDM machines【Welfare Division】
・Operating Daycare Service for the elderly
・Operating group homes for people with disabilities

Representative

ONO RYUTAROSales Amount

2.3 Billion yen

Capital15 Million yen

Employees

120

Established

June of 2001

Certiﬁcation

ISO9001、ISO14001

Group Name

Ohnoseiko Vientnam Co.Ltd, Tainatec Corporation

Major Customers

DISCO Corporation,

Ofﬁce & Plants

Nidec-Shimpo Corporation
IHI Machinery and Furnace Co.,Ltd,
Kawasaki Heavy Industries. Ltd.
DENSO Corporation, Mitsubishi Heavy Industries. Ltd.

Domestic： Aichi-PrefectureInternational： VietnamBusiness Overview(Parts Processing Business)① Aerospace Industry
・Manufacture and assembly of inspection jig and processing jig for turbine blades② Automobile Industry
・Production and assembly of inspection jig for engines (cylinder heads)③ Semiconductor Industry
・Processing of various parts that make up semiconductor manufacturing equipment(Machinery Sales Business)
Exclusive agency of SSG's molybdenum wire EDM "HB series" in JapanTo realizes high-speed and low-cost machining of diﬃcult-to-cut materials

Products・Materials・Part Sizes・Facilities & Equipment(Available Sizes)
Square Object 〜300x300mm Negotiable Cylindrical Object 〜φ200(Main Equipment) (Head oﬃce and Factory)
Units・Machining
17・Milling
7・NC lathe
6・General-purpose lathe
3・Automatic lathe
1・Surface grinding machine 4・Laser processing machine 2・Lapping machine
1

Units

・Wire electrical discharge machine
4
・Molybdenum wire EDM machine
3・Die-sin electric discharge machine
1・Small-hole electric discharge machine1
・Proﬁle grinder
2・Cylindrical grinding machine3・High-accuracy Coordinate measuring machine 3

Our Strength(Parts Processing Business)
・High-mix low-volume manufacturing, express support
・High-precision processing and high-precision assembly of inspection jig, etc.
・Mirror-ﬁnish processing(Machinery Sales Business) HB Series
・Electrical discharge cutting of porous metals using molybdenum wire(e.g., separation of 3D metal printer products)
・Running cost of shape processing by wire cutting can be reduced by about 70%.
・High-speed electrical discharge machining of cemented carbide, Inconel, titanium, etc.
Needs we can correspond / Business partners we want

(Parts Processing Business)
・We oﬀer a full range of services including design, material procurement, surface
treatment, heat treatment, processing, assembly, and inspection.
(Machinery Sales Business)・Customers looking for a wire EDM machine for use in product testing・Customers who are considering the expansion or new installation of wire EDM