一貫生産
Japan Quality
One-stop production: From materials to assembly.
KAWASUMISEISAKUSYO Co., Ltd.
About Us
Founded in 1961, we have served as a comprehensive manufacturer and supplier of components for hydraulic, pneumatic, vacuum, and semiconductor equipment for over half a century.
Do you have any troubles like these?
✓Products currently in use continue to present various quality issues.
✓The burden of sourcing and managing component production needs to be reduced.
Let us handle it!
Our Strength
One-stop production: From materials procurement to assembly.
Our services extend beyond component cutting to include grinding, heat treatment, surface treatment, and the procurement of resin products, rubber springs, and other parts—enabling fully integrated production from fabrication to assembly.
With a single drawing, we can be your one-stop shop for the products you need.
This not only eliminates the hassle of ordering multiple components from various specialized suppliers but also significantly reduces your management workload, enabling you to cut overall manufacturing costs.
Promotion Video
Service
| Business description | Manufacture and sale of mass-produced and prototype parts using multifunctional lathes, multifunctional automatic lathes, and machining centers |
Main Products
■ Semiconductor manufacturing equipment components
■ Vacuum equipment components
■ Pneumatic equipment components
■ Hydraulic equipment components
Message
he components we supply require machining precision down to the micron level and are incorporated into high-performance industrial equipment that plays a vital role around the world. Our technology supports semiconductor manufacturing equipment, construction machinery, and machine tools. Kawasumi Seisakusho continues to forge ahead as a ‘little giant that supports great endeavors.’
Representative：President Hiroshi Kawasumi
Phone：+81-296-57-3525
Company
KAWASUMISEISAKUSYO Co., Ltd.
141-1 Yokotsuka, Chikusei City, Ibaraki Prefecture, 309-1116, Japan
Phone +81-296-57-3525
| Representative | President Hiroshi Kawasumi |
| Established | May 1995 |
| Number of employees | 17 (as of August 2025) |
| Capital | 3 million yen |
| Revenues | 160 million yen |
| Certifications | ISO 9001:2015, ISO 14001:2015 |
Our manufacturing sites
Business based on quality and environmental policies
Moreover, with certifications under the international quality and environmental management system standards ISO 9001 and ISO 14001, we have placed our quality and environmental policies at the core of our business.
Main Products
If you have any questions or concerns about our products, please feel free to contact us.
KAWASUMISEISAKUSYO Co., Ltd.
141-1 Yokotsuka, Chikusei City, Ibaraki Prefecture, 309-1116, Japan
Phone +81-296-57-3525