極東窒化研究所 Company Profile

Focusing on nitriding treatment for 50 years. Strengthening the 'invisible core'.

Kyokuto Nitriding Laboratory Co., Ltd. has specialized in "nitriding treatment" for over 50 years, conducting metal surface hardening and heat treatment for machine parts, aircraft components, and more. Leveraging our unique perspective as a precision machinery manufacturer and the know-how cultivated through rigorous manufacturing processes, we are engaged in research and development of technologies and systems that only we can provide. We aim to contribute widely to society as a company that sincerely tackles any challenges in all fields of machine parts, which are becoming increasingly complex and demanding high precision.