Heat treatment technology delivered from Tohoku to Kanto! From large raw materials to fine product parts, we respond to small quantities and a variety of needs with short delivery times. You can also trust us with high-difficulty requests.

Kyouwa Heat Treatment Co., Ltd. is a comprehensive metal heat treatment manufacturer. Kawaguchi Factory: Handling various machine parts, special steel materials, and cast steel products. Iwate Factory: Handling automotive and vehicle parts, construction machinery, and hydraulic components. We can deliver our specialized heat treatment technologies from Tohoku to Kanto, significantly reducing logistics costs. Additionally, we employ approximately 60 metal heat treatment technicians who accurately respond to high-level customer needs. 【Business Overview】 ■ General metal heat treatment processing of raw materials and heat treatment processing of finished products (Carburizing and quenching, tempering, nitriding, vacuum heat treatment, high-frequency quenching, etc.) 【Facilities】 ▼ Kawaguchi Factory ● No. 5 furnace ● 700t hydraulic press ● 100t crank press ● Turntable shot blast, etc. ▼ Iwate Factory ● Pit-type heat treatment furnace ● Vacuum furnace ● Unmanned heat treatment line ● Shot blast, etc. *For more details, please download the PDF or feel free to contact us.

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