Sanko Seisakusho Co.,Ltd.

Our belief, our mission

― Don’t stop thinking, don’t say no, don’t stop trying, don’t give up until you achieve it ―

For over 66 years, we have specialized in manufacturing precision irregular and flat wires. We have developed our own unique metal forming techniques and non-oxidation heat treatment processes over the years.

Our mission is to never stop developing new technologies to meet the ever-changing needs of the industry.

Our customers range from a wide array of industrial fields, such as: musical instrument manufacturers, model train companies, various electronic device manufacturers, and automotive parts manufacturers. We constantly strive to meet or exceed their expectations.

We have received high praise from the musical instruments industry for manufacturing frets. Our frets are used in many styles of stringed instruments like ukuleles, electric guitars, bass guitars, acoustic guitars, and banjos. They are utilized in many of the industries top manufacturers such as Yamaha, Fender, Taylor, C.F. Martin, and Deering.

We have received high praise from the musical instruments industry for manufacturing frets. Our frets are used in many styles of stringed instruments like ukuleles, electric guitars, bass guitars, acoustic guitars, and banjos. They are utilized in many of the industries top manufacturers such as Yamaha, Fender, Taylor, C.F. Martin, and Deering.

We don’t say “NO” to technical issues and we don’t back down from a challenge. We spare no effort in overcoming technical difficulties to provide only the highest quality products for our customers.

We will continue to improve our processes and our technical capabilities to become a company that can win the trust of the people around the world.

Company details

Company nameSANKO SEISAKUSHO Co.,LTD.
FoundedApril 15,1958
Capital36.2 million yen
President & CEOKazuaki Sakai
Head office locationHayakawa Industrial Park, 2647-14, Hayakawa, Ayase City, Kanagawa Prefecture, 252-1123
TEL/FAX0467-76-1011
0467-76-1014
Site area1,711.12㎡
Building area1,472.59㎡
URLhttp://www.sanko-s.co.jp/
Emailinfo@sanko-s.co.jp
BusinessPrecision shaped wires produced by rolling
Fret
Model train tracks
Automotive related parts(Spark plug, Piston rings etc)
Medical Equipment
Metal Resistance Materials
Toothbrush fastening wire
Electronic equipment related parts, etc.
Main ClientsYAMAHA
Fender
Taylor
Martin
HOSCO
DYNA musical instruments
Sekisui Kinzoku Co., Ltd.
Y K Material
Standex
TPR
Furukawa Techno Material Co., Ltd.
KOA
IMON corporation
FRESH AIR INC.
ISO CertificationISO 9001: 2015 February, 23,2010
ISO 14001 :2015 January 21,2025

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