- Telephone number: +81-269-26-7851
- FAX: +81-269-26-7942
- Website
Precision Turning Specialist. For about 80 years we have been rooted in Nagano, Japan. and have a factory in Haiphong city Vietnam as a production base for the local Vietnam market and the global market. We are ISO 9001 and ISO 14001 certified.
Products, Expertise & Unique Technical Info
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Manufacturing category info
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NC turning machining（ Mass production / Mechanical processing ） |
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Automatic screw machining（ Mass production / Mechanical processing ） |
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Centerless grinding（ Development and production of prototype/Small-scale production / Grinding processing ） |
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Titanium alloy（ Mass production / Mechanical processing ） |
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Thread-cutting（ Development and production of prototype/Small-scale production / Machining ） |
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Machining/Handles small-scale production (order from 1 piece)（ Development and production of prototype/Small-scale production / Machining ） |
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Nickel alloy（ Development and production of prototype/Small-scale production / Machining ） |
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Company info
| Company name | IIYAMASEIKI CO.,LTD | Website URL | http://www.iiyamaseiki.co.jp/index.php |
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| Street address |
Nakano City Nagano Japan
[See map] |
Person in charge | Ryota Terasaka |
| Telephone number | +81-269-26-7851 | Fax number | +81-269-26-7942 |
| Capital | 12,000,000 JPY | Employees | 67 |
| Annual sales | 600,000,000 JPY | EMIDAS Member Number | 49196 |
| Type of manufacturing | Industrial machinery / Telecommunication equipment / Transportation equipment | ||
| Main 3 products |
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| Primary clients |
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PR message
Consistent manufacturing from highly accurate custom precision turning and grinding, including heat treatment, surface treatment, and OD polishing to sub-assy.
〇We are Specialists in precision turning and grinding.
〇Support from prototype , small-run to mass production
〇Extensive experience in processing difficult-to-cut materials such as titanium and Kovar.
〇Hard turning on high hardness materials’ products after heat treatment.
Our leading products include but are not limited to:
Spools,Sleevs,Cartridges and futer for Hydraulic components and other fluid control components
Various parts for Semiconductor manufacturing equipment.
Special Screws
Since 2013 ,we have also been manufacturing custom prodcts at the VSIP Hai Phong industrial complex in Vietnam and are currently building a new factory in Nam Cau Khieem
Besides, we developed an in-house Production Management system and started to provide them to clients.
Most recent update：2023-10-05
Manufacturing category info
| Large | Medium | Small |
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| Development and production of prototype/Small-scale production | Machining | General-purpose lathe machining Tapping Rolling Thread-cutting Machining/Handles small-scale production (order from 1 piece) Iron Stainless steel Aluminum alloy Copper alloy Titanium alloy Nickel alloy Automatic lathe Bench lathe machining Titanium Brass |
| Development and production of prototype/Small-scale production | NC machining | Machining (vertical) NC lathe machining Combined lathe machining |
| Development and production of prototype/Small-scale production | Electrical discharge machine | Wire electric discharge machining |
| Development and production of prototype/Small-scale production | Grinding processing | NC cylindrical grinding Plane grinding Cylindrical grinding Centerless grinding |
| Development and production of prototype/Small-scale production | Prototype processing | Small-size prototype manufacturing |
| Mass production | Mechanical processing | NC turning machining Tapping machining Complex turning machining Rolling machining Iron Stainless Aluminum alloy Copper alloy Titanium alloy Nickel alloy Automatic screw machining Honing machining Titanium Fine particle material accepted |
