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Latest update: 03/04/2020 16:37:12


The three pillars of our operations are extrusion mold production (aluminum, stainless steel, copper), general industrial equipment production and high-quality steel pipe production.

Our main products are extrusion molds for shaped aluminum materials, extrusion tools for stainless steel and copper, and we have among the highest technological capabilities in Japan in the field of large aluminum extrusion molds. 
Our manufacture of general industrial machinery, for which we can make proposals that take into account our customer's wishes, has won high acclaim from major companies. 
In addition to high-quality steel pipes used in electric power plants, we can provide high quality billet machining for various pipe materials such as stainless steel, alloy steel, and titanium alloys. 
We perform strict quality control at every stage: development, design, machining, and shipping, producing high-quality products using our well-honed techniques and state-of-the-art equipment.

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Sales Pitch

Hiraki's Technological Prowess
Molds and Tools Division
We manufacture aluminum heat extrusion tools, stainless steel and copper alloy pipe hot extrusion tools, and various types of mold. 
We use state-of-the-art equipment and advanced technology to produce stainless steel pipes, copper pipes, and other metal molds and tools (mandrels, dies, etc.), providing our customers with high-precision, high-quality, and appropriate delivery times. 

Using molds and tools manufactured at Hiraki, the copper refrigerant pipes used in the air conditioners our customers produce have achieved a domestic market share of 90%. 
In addition, we produce molds and tools that can cope with the demands placed on products like the high-grade copper pipes used in power plants, including severe dimensional tolerances, strength and surface treatments.
General-purpose lathes, state-of-the-art NC lathes
We specialize in complex cutting operations using machining centers. 
We specialize in the difficult processing of ultra-hard materials, passing down the "technical Hiraki" tradition.
Tubular materials
We perform one-pass machining using a BTA process, working mainly on stainless steel and producing holes of 28–150 mm in diameter and up to 800 mm in depth. 
We are mainly engaged in the machining of stainless steel billet products, but we also have a lot of experience working with titanium billets.

This company is recommended by the following support organizations.

Chugoku Head Office, SMRJ