Notice of Posting of Transcript of Financial Results Briefing for the Second Quarter (Interim) of the Fiscal Year Ending March 31, 2026

Export Restrictions on Artificial Diamond Abrasive Grains from the Ministry of Commerce of the People's Republic of China

Announcement of the renewal of the website of Yamanashi Asahi Diamond Industrial Co., Ltd.

Notice of the publication of a transcript of the financial results briefing for the fiscal year ending March 2025

Notice of Posting of Transcript of Financial Results Briefing for the Second Quarter (Interim) of the Fiscal Year Ending March 31, 2025

English version of the website is now available.

Notice Concerning Relocation of Head Office

Announcement of the Opening of Joint Venture Company “AA Diamond Technology Co., Ltd.”

Establishment of Joint Venture Company "AA Diamond Technology Co., Ltd.”

Asahi Diamond Industrial Co., Ltd. and Tokyo Seimitsu Co., Ltd. Notification of Change in Establishment Date of Joint Venture Company

Asahi Diamond Industrial Co., Ltd. and Tokyo Seimitsu Co., Ltd. Announcement of the Conclusion of Joint Venture Agreement to Establish a Joint Venture Company

Asahi Diamond Industrial Co., Ltd. and Tokyo Seimitsu Co., Ltd. Announcement of the Conclusion of MOU to Establish a Joint Venture

Exhibition at SEMICON JAPAN2025

Exhibit at Manufacturing Indonesia 2025 (Indonesia)

Exhibit at SEMICON EUROPA 2025 (Germany)

Exhibit at MECHATRONICS TECHNOLOGY JAPAN 2025

Semiconductor Technology Expo in Kyusyu, Japan Exhibition Information

Exhibit at wire Southeast Asia 2025 (Thailand)

【TV broadcast】Video of "Canning Takeyama's Ichiban Laboratory" (broadcast on July 6, 2024) is now available on our official YouTube channel.

Notice of Television Broadcast