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Eidai Industries Co., Ltd. was established.
Establishment of Eidai Sangyo Co., Ltd.
Factory in Kobayashi era, Taisho District
Proclamation of the Constitution of Japan
Export of plywood to the United States intensified.
Export of plywood to the United States intensified.
Launched fire-retardant plywood 'Fushigane'.
Fire-retardant plywood 'Fushigane'
Opening of the high-growth economic period
Established a flooring factory.
Established a flooring factory.
Opened a new printed plywood factory.
Relocated the headquarters.
Completed the headquarters factory.
Released 'Eidai Printed Plywood'.
Established a new printed plywood factory.
Headquarters relocation
Completion of headquarters factory
Panorama of the new Hirabayashi factory
Meishin Expressway (Kureto~Amagasaki) opened
Commenced operations at the Tsuruga plant.
Opened the Sakai plant (now Osaka plant).
Start of operation at Tsuruga branch
Opening of Sakai branch (now Osaka branch)
Tokyo Olympics
Meioki Tsuki Board Flooring
"Taftop W"
Established Koyanami Plywood Co., Ltd. (now Eidai Koyanami Co., Ltd.).
Establishment of Komanami Plywood Co., Ltd.
Koyanami Plywood Co., Ltd. (now Eikou Koyanami Co., Ltd.) established
Established Eikoku Wood Industry Co., Ltd. (now Eikoku Industry Co., Ltd. Yamaguchi & Hiraishi Office).
Establishment of Eidai Wood Industry Co., Ltd.
Eikou Wood Industry Co., Ltd. (now Eikou Industry Co., Ltd., Yamaguchi & Hiraishi Office) established
Miho Factory was completed.
Completion of Mihara factory
Ceramic Coated Floor Material "Ichiban"
Released the first in-house sectional kitchen, "Pia Line."
First in-house sectional kitchen, "Pia Line."
Filed a petition under the Company Rehabilitation Act.
Petition under the Company Rehabilitation Act.
Second Oil Shock
System Storage "Royal Shnool"
Established the new symbol mark for Eikoku.
Symbolic Mark of New Nagaoka (established 1980)
Decided to start a rehabilitation plan under the Company Rehabilitation Act.
Decision to start a rehabilitation plan under the Company Rehabilitation Act.
Deployed the WSL strategy.
WSL strategic deployment
"Interior Parts"
Coordinated Kitchen "CK"
Direct-Contact Flooring "Direct"
Implemented the Total Interior Coordination System "IP System."
Total Interior Coordination System
Implementation of "IP System"
Introduction of 3% consumption tax
Published the WSL catalog.
WSL Catalog, published 1990
The rehabilitation plan concluded.
Conclusion of restructuring plan
Commemorative tree planting for restructuring plan conclusion (headquarters)
Completion of rehabilitation plan
Completion of Rehabilitation Plan
Conclusion of restructuring plan
Established N & E Co., Ltd.
Establishment of N & E Co., Ltd.
Great Hanshin-Awaji Earthquake
Obtained ISO14001 certification at the Tsuruga office.
Tsuruga Office ISO14001 certification obtained
Perforated material flooring
Yamaguchi & Hiraishi Office ISO14001 certification obtained
"Beach Europe Floor"
Perforated material flooring 'Beach Europe Floor'
ISO14001 certification obtained at Osaka branch
"Gate Style Kitchen S-1"
Relisted after 29 years.
System kitchen "Piasus S-1"
Listing on Tokyo Stock Exchange Second Section
After delisting in 1978, the company was relisted for the first time in 29 years
Storage "Living Stage"
Lehman Shock
Mirror-finished interior door "AltiMode"
Designated as a First Section stock on the Tokyo Stock Exchange.
Established Eidai Vietnam
Designation as a First Section stock on Tokyo Stock Exchange
Designated as a First Section Stock on the Tokyo Stock Exchange
Great East Japan Earthquake
Experience-type showroom
"Osaka Factory Gallery" opened
Opening of experiential showroom "Osaka Factory Gallery"
Severe damage to Osaka office due to Typhoon 21
Severe damage to the Osaka office due to Typhoon No. 21 in 2018
Established EN Board Co., Ltd.
Launch of "Skism" brand
System kitchen "Rafina Neo"
Establishment of Kanto Jushitsu Sangyo Co., Ltd.
Corona shock
Installation of headquarters logistics warehouse
Commercial production of EN Board Co., Ltd. PB started
Fire accident at Tsuruga office PB factory
Non-wood design sheet flooring "Concarbo"
Non-wooden decorative sheet flooring 'Concabo'
Announcement of new medium-term management plan "EIDAI Advance Plan 2026"
"Gran Majest Grain Element" rib panel design
Rib panel design
New medium-term management plan "EIDAI Advance Plan 2026" announced
'Gran Majestic Grain Element' rib panel design
New medium-term management plan
"EIDAI Advance Plan 2026" announced
Eidai Sangyo will relocate its Hiroshima sales office and showroom to the J-Pro Uehata-cho Building in Uehata-cho, Naka-ku, Hiroshima City. The office will commence operations on November 2, and the showroom on November 16. With the relocation, telephone and fax numbers will change, and the current numbers will become disconnected after 5:30 p.m. on October 30.
Nengai Industries announced the department head appointments dated October 16, 2026, as decided by the board of directors. Mr. Hira Chōhō will serve as both Deputy Head of the Sales Division Executive Officer and Manager of the Central Shikoku Sales Division.
We have temporarily suspended the catalog request form and inquiry form until the safety of the website's system infrastructure can be confirmed, following vulnerability information regarding the system infrastructure. At this time, no unauthorized access, information leakage, or personal information damage has been confirmed. The catalog request form is scheduled to resume on November 4, 2026, at 10:00, and the inquiry form will resume promptly after safety measures and operational verification are completed.
Eikou Industries provided artistic cooperation for the set of the TV Asahi Saturday drama 'An I Mouto', which began airing on October 17. The apartment set where the female protagonist, a doctor, lives features the system kitchen 'Gate Style Kitchen Forma'.
Eikou Industries' GATESTYLE KITCHEN forma received the 2026 Good Design Award and was also selected as "My Choice" by the judges. The streamlined frame structure allows users to freely customize the kitchen as a backdrop and express their own style, which was praised. The company will use the award as an opportunity to promote and expand the market for its system kitchen products.
Eidai Sangyo Co., Ltd. is expanding the lineup of compact storage 'Lurubo' that makes efficient use of limited space inside homes, and will launch new items for wet areas on October 26, 2026. The new products address storage shortages and hygiene concerns in toilets and washrooms, and accommodate hair care products, towels, and hand-washing spaces.
Eidai Industries will renew its core brand 'Skism' starting January 2027. 'Skism S' will be refreshed into a product system that is easy to combine with varying shades and textures of the same color family, while 'Skism T' will launch new designs incorporating overseas interior trends. While maintaining ease of selection and clarity, it will increase the freedom of spatial coordination.
Eidai Sangyo positions the physical and mental health of employees as the management foundation, formulates a health management declaration, and establishes a promotion system. It systematizes existing health checkups, mental health measures, and long working hours countermeasures, and indicates a policy of continuous improvement. Under the corporate philosophy "Utilize trees and create a better life," it emphasizes that employee health is essential for sustainable growth.
On September 28, 2026, EIDAI Co., Ltd. added a wall-integrated hinged door to its Grand Majest series. The design uses non-wood materials such as metallic and stone finishes to coordinate seamlessly with the wall. Its minimalist, concealed-door appearance aims to enhance the aesthetics and continuity of a space.
Eidai Sangyo Co., Ltd. is participating for a third year in IKUKYU.PJT, a Sekisui House initiative encouraging men to take childcare leave, as one of 195 companies. Marking September 19, “Think About Childcare Leave Day,” the project shares information and raises awareness across industries to make men's parental leave commonplace. Eidai Sangyo says it will use its participation to encourage employees to take childcare leave and create a more supportive workplace.