Certifications
Eco-wise, Quality Rise.
Gotanda Plant
ISO9001 ECO Stage 3*
Hachioji Plant
ISO9001 JISQ9100** KES*
Kofu Plant
ISO9001
Yonezawa Plant
ISO9001 ECO Stage 3*
*Equivalent to ISO14001
**Equivalent to AS9100 and EN9100
KES: Kyoto Environmental Management System
Founded in 1931, MITSUYA CO. LTD. is the worldwide leader in precious metals plating. With a team of over 300 dedicated employees and a network of 4 plants across Japan, MItsuya specializes in various advanced plating processes particularly suited for automotive, medical, aerospace and semiconductor industries worldwide including gold, silver, rhodium, indium, palladium, nickel-free and more. Certified ISO9001-2015 and JISQ9100
