A Professional Team of Soldering and Joining Technology Experts

Koki Company Limited

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Advancing Global Soldering with Cutting-Edge Tech & Quality

As a manufacturer and distributor of soldering-related electronic materials, Koki considers providing products and services that satisfy all customers as the top priority. We continuously strive to meet the evolving market demands by conducting research and development, offering high-quality products, and addressing customer issues through analysis and proposals.

With manufacturing facilities overseas, we ensure shorter lead times and deliver high-quality products globally. Upholding our motto of relentless pursuit of new technologies, we aim to contribute to further market development and innovation, providing customers with reliable and satisfactory total solutions.


Company Name
Koki Company Limited
Date of Establishment
Head Office Location
32-1 Senju Asahi-cho, Adachi-ku, Tokyo 120-0026
Location of Factories
25-39 Miyako, Oaza, Namegawa-machi, Hiki-gun, Saitama 355-0812
Manabu Itoh
Company Site (Japanese)
Company Site (English)
Major Business Partners
Leading automotive and electrical equipment manufacturers, both domestic and international.
Electronic Materials Manufacturing
Product Certifications, Patents and Trademarks
ISO9001, ISO14001, IATF16949