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  6. Republic Heat Treatment Co., Ltd. (Comprehensive Metal Heat Treatment Manufacturer) Business Introduction

Republic Heat Treatment Co., Ltd. (Comprehensive Metal Heat Treatment Manufacturer) Business Introduction

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last updated:May 14, 2025

共和熱処理
共和熱処理
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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.

    Other surface treatment equipment
共和熱処理 製品.GIF

Republic Heat Treatment Co., Ltd. (Comprehensive Metal Heat Treatment Manufacturer) Business Introduction

共和熱処理 製品.GIF
共和熱処理 製品.GIF
  • Related Link - http://www.musashi-s.co.jp/kyowanetsushori/index.h…

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About the nitriding treatment equipment

About the nitriding treatment equipment

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The carbon immersion prevention treatment has been fully automated.

The carbon immersion prevention treatment has been fully automated.

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We have a cart furnace with maximum capacity dimensions.

We have a cart furnace with maximum capacity dimensions.

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We can provide jigs tailored to your needs.

We can provide jigs tailored to your needs.

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Zero CO2 emissions during processing and decarbonization! "Vacuum Carburizing Treatment" *Introducing an environmentally friendly vacuum carburizing furnace.

Zero CO2 emissions during processing and decarbonization! "Vacuum Carburizing Treatment" *Introducing an environmentally friendly vacuum carburizing furnace.

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Metal Heat Treatment by Vacuum Carburizing Method

Metal Heat Treatment by Vacuum Carburizing Method

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Flame hardening in electronic materials industry

Flame hardening in electronic materials industry

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Comparison of test results between carburized and untreated pure titanium products.

Comparison of test results between carburized and untreated pure titanium products.

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【Republic Heat Treatment Co., Ltd.】Company Profile - Compressed Version *Renewed

【Republic Heat Treatment Co., Ltd.】Company Profile - Compressed Version *Renewed

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Company information

共和熱処理

共和熱処理

Manufacturing and processing contract

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Kyouwa Heat Treatment Co., Ltd. specializes in the heat treatment processing of raw materials and finished metal products. Since our establishment, we have continuously innovated, enabling us to respond to short delivery times for small quantities of diverse products. We will continue to strive to meet the increasingly diverse needs of our customers, so please feel free to contact us with any requests.

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[Iwate Factory] A solid quality assurance system is in place! You can trust us with confidence!
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