Kyouwahatsujou
Most recent update: 2025-07-01
PR message
N/A
 |
Thin leaf spring（ Parts manufacturing / Spring ） |
|---|
| Company name | Kyouwahatsujou | Website URL | http://www.kyowa-spring.com/ |
|---|---|---|---|
| Street address |
Yokohama Kanagawa Japan
[See map] |
Person in charge | 郡司 郁 |
| Telephone number | +81-45-531-0887 | Fax number | +81-45-546-1939 |
| Capital | 10,000,000 JPY | Employees | 50 |
| Annual sales | Unregister | EMIDAS Member Number | 5227 |
| Type of manufacturing | Audio-video equipment / Office automation equipment / Telecommunication equipment | ||
| Main 3 products |
|
||
| Large | Medium | Small |
|---|---|---|
| Designing | Mold designing | Progressive die designing (light electrical) General metal press die |
| Development and production of prototype/Small-scale production | Machining | Machining/Handles small-scale production (order from 1 piece) |
| Development and production of prototype/Small-scale production | Sheet-metal processing | Sheet metal protocol manufacturing |
| Development and production of prototype/Small-scale production | Prototype processing | Punching Welding Bending Small-size prototype manufacturing |
| Die manufacturing | Press die | Designing Manufacturing Part processing Plate machining Die set machining Drawing die Bending die Blanking die Progressive die Single press die Compound die |
| Die manufacturing | Spring mold | Designing Manufacturing Spring die part processing Wire spring die Leaf spring die |
| Mass production | Metal press | Drawing Bending Blanking Iron Stainless steel Aluminum Copper Brass Phosphor bronze Plated steel plate Stainless steel material for spring Nickel Thickness Thickness Corson alloy Beryllium copper Single press (below 80 t) Progressive press (35 - 80 t) |
| Surface treatment | Heat treatment | Normalizing Annealing Air quenching Austempering |
| Parts manufacturing | Spring | Thin leaf spring Terminal spring Compression coil spring Tensil coil spring Torsion spring Double torsion spring Leaf spring Shaped spring Battery spring Conical spring Formed wire spring Carbon steel Piano wire (carbon wire) Stainless steel Copper alloy Diameter Diameter |
