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  1. Home
  2. Industrial Machinery
  3. 広築 サーマルGr
Industrial Machinery
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広築 サーマルGr

EstablishmentJune 1950
capital9450Ten thousand
number of employees435
addressTokyo/Toshima-ku/3rd Floor, Ikebukuro Imaizumi Building, 25-12 Higashi-Ikebukuro 4-chome
phone03-5810-3223
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last updated:Aug 29, 2025
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  • Products/Services(20)
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広築 Company Profile

We propose various heat treatment furnaces and heating devices for ferrous and non-ferrous metals tailored to your needs.

Our company designs, manufactures, and sells various industrial furnaces required in a wide range of fields, including melting-related processes for aluminum and copper, glass and environmental sectors, new material development, heat treatment of iron (steel) and non-ferrous metal components, as well as research laboratories in universities and companies. Despite being an industrial furnace manufacturer, we also undertake maintenance for plants of major steel manufacturers, and for over half a century since our founding, we have received high evaluations from the industry based on our extensive experience and achievements. In the industry, we hold a top-class position as an industrial furnace manufacturer for steelworks, boasting a significant share in medium-sized furnaces for non-ferrous aluminum, and we are also expanding our achievements nationwide in the manufacturing and sales of small heat treatment devices for steel, stainless steel, and copper alloys. We are actively pursuing overseas expansion, and with our customers' overseas ventures primarily in Southeast Asia, our technology has achieved numerous successes abroad.

Business Activities

Thermal heat treatment devices are often compact in size, suitable for small to medium-sized applications, and meet the needs for small lot and low-volume production. We offer a wide variety of types, with over 50 standard models available based on specific purposes such as quenching, tempering, and annealing, as well as by material type including ferrous metals, non-ferrous metals, and non-metals. *Customization is also possible as needed. Additionally, we provide sample testing and contract heat treatment processing using actual machines installed at our factory. ▶ Quenching furnace ▶ Nitriding furnace ▶ Carburizing furnace ▶ Tempering furnace ▶ Hardening furnace ▶ Annealing furnace (softening furnace) ▶ Aging treatment furnace ▶ Solution treatment furnace ▶ Brazing furnace ▶ Gas generation equipment and more.

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Heat Treatment Equipment Catalog Renewal

Heat Treatment Equipment Catalog Renewal

Introducing continuous radiant heat treatment furnaces and low-temperature/mid-temperature heat treatment equipment!

This catalog introduces various equipment for heat treatment of products made from various materials such as steel, non-ferrous metals, and non-metals (ceramics and resins) for specific purposes. We offer a lineup of various products, including the "Thermolite Series" quenching furnaces for molds and precision parts, as well as non-ferrous metal heat treatment furnaces. This is a useful reference, so please take a moment to read it. 【Featured Products (Excerpt)】 ■ Continuous radiant heat treatment furnace ■ Precision low-temperature heat treatment machine LT/LTM model ■ Trolley-type low-temperature heat treatment machine LD model ■ Precision medium-temperature heat treatment machine RBH model ■ Gas atmosphere low-temperature heat treatment machine LTA model *For more details, please download the PDF or feel free to contact us.

Products/Services (20)

Heat Treatment Equipment Catalog Renewal product image
Heat Treatment Equipment Catalog Renewal
Thermal Metal Heat Treatment Technology Seminar Held! product image
Thermal Metal Heat Treatment Technology Seminar Held!
100% Hydrogen Bell-Type Bright Annealing Furnace BMR Type product image
100% Hydrogen Bell-Type Bright Annealing Furnace BMR Type
Hirochiku Corporation "Heating Equipment and Heat Treatment Furnace Comprehensive Catalog" Now Available!! product image
Hirochiku Corporation "Heating Equipment and Heat Treatment Furnace Comprehensive Catalog" Now Available!!

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catalog(12)

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Atmosphere Control Unit Equipped Horizontal Vacuum Purging Nitriding Furnace Model RAV-N

Atmosphere Control Unit Equipped Horizontal Vacuum Purging Nitriding Furnace Model RAV-N

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Hirochiku Co., Ltd. "Equipment Business Comprehensive Catalog"

Hirochiku Co., Ltd. "Equipment Business Comprehensive Catalog"

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Hirochiku Co., Ltd. Company Profile Catalog

Hirochiku Co., Ltd. Company Profile Catalog

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Quenching furnace for molds and precision parts

Quenching furnace for molds and precision parts

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Hirochiku Co., Ltd. "Equipment Business Comprehensive Catalog" Completed!

  • CATALOG

Hirochiku Co., Ltd. has been promoting the development of industrial thermal technology equipment that is easier to understand, easier to handle, and tailored to various manufacturing sites from an early stage. The numerous industrial thermal technology devices developed and manufactured by Hirochiku have been chosen by many customers and are actively used in a wide variety of manufacturing environments. A comprehensive catalog that consolidates the products from Hirochiku's three device business groups, "Holimesy," "AdvanHeat," and "Thermal," has been completed. 【Products handled by each group】 〇 Holimesy: Holimesy Group Focused on products necessary for die-casting manufacturing lines, such as "melting furnaces," "transport equipment," and "hand furnaces," this group comprehensively develops related businesses including the sale, installation, and maintenance of self-developed equipment. 〇 AdvanHeat: AdvanHeat Group Centered on the manufacturing and production of experimental and mass production equipment in response to ETO (contract design and manufacturing), this group develops comprehensive support services for heat treatment technology aimed at research and development of new materials. 〇 Thermal: Thermal Group Under a rich lineup of self-developed standard metal heat treatment equipment, this group comprehensively develops related businesses including the manufacturing and sales of equipment products and contract heat treatment processing.

Mar 26, 2021

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Notice of Company Name Change [Hirochiku Co., Ltd. (Thermal)]

  • COMPANY

On April 1, 2020, "Thermal Co., Ltd." will become "Hirochiku Co., Ltd." due to a merger. We will combine Hirochiku's industrial furnace design and manufacturing business with Thermal's heat treatment technology and know-how to strive to satisfy our customers. Furthermore, Thermal's products and services will continue to maintain the "Thermal" brand after the merger, and we will respond to the trust we have received from the company over the years without change, while of course maintaining and improving quality and technology.

Apr 01, 2020

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Detailed information

Company name 広築 サーマルGr
number of employees435
Contact addresspostalcode 170-0013 Tokyo/ Toshima-ku/ 3rd Floor, Ikebukuro Imaizumi Building, 25-12 Higashi-Ikebukuro 4-chomeView on map TEL:03-5810-3223 FAX:03-5810-3224
Business LocationsClick here for the list
Industry Industrial Machinery
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