wide range of
heat treatment
A number of certificates acquired and our complete quality assurance system
Our business
Vacuum heat treatment, nitriding, carburising
and atmospheric heat treatment, aluminium
alloy heat treatment,
Nickel alloy heat treatment,
titanium alloy
heat treatment, etc.

Factory facilities
Our plants are located at Tokyo (HQ) and Dalian, China. Here are the heat treatment services offered by each plant. Plant facilities page
Highly rated technologies
TAMAYAKIN has been challenging the research and development of heat treatment technology for many years. This section introduces the history and philosophy of the company. Challenges/technologiesInquiries
Ask us anything about heat treatment!
Ask us anything about heat treatment!
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Inquiry form
Headquarter (Tokyo, Japan)
Opening hours.
8:00-17:00
(Japan time)
China Dalian Factory
Opening hours.
8:00-17:00
(China time)