GX MINERALS Holds Inauguration Ceremony for High-Performance Filler "DIA" Manufacturing Base
GX MINERALS has inaugurated a new plant in Tahara City, Aichi Prefecture, to manufacture the high-performance filler 'DIA'. Operations will commence in early April 2026, targeting the automotive industry.
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- 📰 Published: April 7, 2026 at 00:00
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GX MINERALS Co., Ltd. (Headquarters: Okazaki City, Aichi Prefecture; Representative Director & Chairman: Hirotake Hayashi; President & Director: Takao Ikeda) held an inauguration ceremony on January 30, 2026, for its manufacturing plant for the high-performance filler "DIA," built in Tahara City, Aichi Prefecture. Approximately 60 people involved attended the event, which included a Shinto ritual and a ribbon-cutting ceremony. The plant will begin full-scale operations in early April 2026.
■ Holding of the Inauguration Ceremony
The inauguration ceremony held on January 30 was attended by approximately 60 people, including financial institutions, business partners, university officials, local government representatives, and shareholders.
Our Representative Director and Chairman, Hirotake Hayashi (also serving as President and Representative Director of Hayashi Kasei Co., Ltd.), expressed his ambition at the ceremony, stating that starting with the operation of the Tahara plant, the company will create new value together with customers.
President and Director Takao Ikeda expressed his aspirations to contribute to the weight reduction and carbon neutrality initiatives of customers, including the automotive industry, by establishing a mass production system for DIA.
After the ceremony, a plant tour was held for the participants.
■ Overview of the Tahara Plant
The Tahara plant was developed on a site of approximately 3,500 square meters by leasing an idle facility from an automotive-related company. The investment amount is approximately 2 billion yen, with an annual production capacity of about 10,000 tons.
As main equipment, European-made pulverizers and powder compressors have been introduced. The European pulverizer introduced this time is the first in the world to be used commercially for talc production.
This plant will manufacture using CO2-free electricity and carbon-offset gas in collaboration with Chubu Electric Power Miraiz.
■ About Financing
To promote this project, a syndicated loan was arranged with Okazaki Shinkin Bank as the lead manager, joined by seven Shinkin banks in the Mikawa region: Toyokawa Shinkin Bank, Toyohashi Shinkin Bank, Hekikai Shinkin Bank, Gamagori Shinkin Bank, Toyota Shinkin Bank, and Nishio Shinkin Bank.
At the inauguration ceremony, congratulatory speeches were also given by guests Hideaki Tanaka, Chairman (Okazaki Shinkin Bank), and Executive Officer Kawai (Inabata & Co., Ltd.).
■ About the High-Performance Filler "DIA"
"DIA" is a high-performance filler developed by our parent company, Hayashi Kasei Co., Ltd. (Headquarters: Osaka City), through an industry-academia-government collaboration with Toyama Prefectural University, Toyama Industrial Technology Research and Development Center, and others. Our company was established in May 2023 as a company specializing in the manufacture of DIA.
DIA is a filler made by increasing the aspect ratio of talc, a layered mineral, using proprietary technology, achieving an aspect ratio 1.7 times higher than conventional products. It has the property of improving the fluidity and mechanical properties of resins.
■ Future Business Development
With the full-scale operation of this plant, we will start full-scale supply of DIA from around June 2026. We plan to deliver to automotive-related manufacturers and others.
We will promote our business through cooperative systems with Inabata & Co., Ltd., Chubu Electric Power Miraiz Co., Inc., Sato Group, and others.
[Company Profile]
• Company Name: GX MINERALS Co., Ltd.
• Representatives: Representative Director and Chairman Hirotake Hayashi / President and Director Takao Ikeda
• Location: 1F Tonobashi Building, 2-36 Koseidoriminami, Okazaki City, Aichi Prefecture
• Tahara Plant Location: 39-29 Onizuka, Uramachi, Tahara City, Aichi Prefecture
• Establishment: May 16, 2023
• Business Description: Development, manufacture, and sales of high-performance fillers that promote GX; development, manufacture, and sales of resin materials composited with high-performance fillers
• Website: https://www.gxminerals.com/
• Contact: Email: pr@gxminerals.com
■ Holding of the Inauguration Ceremony
The inauguration ceremony held on January 30 was attended by approximately 60 people, including financial institutions, business partners, university officials, local government representatives, and shareholders.
Our Representative Director and Chairman, Hirotake Hayashi (also serving as President and Representative Director of Hayashi Kasei Co., Ltd.), expressed his ambition at the ceremony, stating that starting with the operation of the Tahara plant, the company will create new value together with customers.
President and Director Takao Ikeda expressed his aspirations to contribute to the weight reduction and carbon neutrality initiatives of customers, including the automotive industry, by establishing a mass production system for DIA.
After the ceremony, a plant tour was held for the participants.
■ Overview of the Tahara Plant
The Tahara plant was developed on a site of approximately 3,500 square meters by leasing an idle facility from an automotive-related company. The investment amount is approximately 2 billion yen, with an annual production capacity of about 10,000 tons.
As main equipment, European-made pulverizers and powder compressors have been introduced. The European pulverizer introduced this time is the first in the world to be used commercially for talc production.
This plant will manufacture using CO2-free electricity and carbon-offset gas in collaboration with Chubu Electric Power Miraiz.
■ About Financing
To promote this project, a syndicated loan was arranged with Okazaki Shinkin Bank as the lead manager, joined by seven Shinkin banks in the Mikawa region: Toyokawa Shinkin Bank, Toyohashi Shinkin Bank, Hekikai Shinkin Bank, Gamagori Shinkin Bank, Toyota Shinkin Bank, and Nishio Shinkin Bank.
At the inauguration ceremony, congratulatory speeches were also given by guests Hideaki Tanaka, Chairman (Okazaki Shinkin Bank), and Executive Officer Kawai (Inabata & Co., Ltd.).
■ About the High-Performance Filler "DIA"
"DIA" is a high-performance filler developed by our parent company, Hayashi Kasei Co., Ltd. (Headquarters: Osaka City), through an industry-academia-government collaboration with Toyama Prefectural University, Toyama Industrial Technology Research and Development Center, and others. Our company was established in May 2023 as a company specializing in the manufacture of DIA.
DIA is a filler made by increasing the aspect ratio of talc, a layered mineral, using proprietary technology, achieving an aspect ratio 1.7 times higher than conventional products. It has the property of improving the fluidity and mechanical properties of resins.
■ Future Business Development
With the full-scale operation of this plant, we will start full-scale supply of DIA from around June 2026. We plan to deliver to automotive-related manufacturers and others.
We will promote our business through cooperative systems with Inabata & Co., Ltd., Chubu Electric Power Miraiz Co., Inc., Sato Group, and others.
[Company Profile]
• Company Name: GX MINERALS Co., Ltd.
• Representatives: Representative Director and Chairman Hirotake Hayashi / President and Director Takao Ikeda
• Location: 1F Tonobashi Building, 2-36 Koseidoriminami, Okazaki City, Aichi Prefecture
• Tahara Plant Location: 39-29 Onizuka, Uramachi, Tahara City, Aichi Prefecture
• Establishment: May 16, 2023
• Business Description: Development, manufacture, and sales of high-performance fillers that promote GX; development, manufacture, and sales of resin materials composited with high-performance fillers
• Website: https://www.gxminerals.com/
• Contact: Email: pr@gxminerals.com