Asahi Diamond Industries Co., Ltd. (hereinafter “Asahi Diamond”) will launch sales promotion activities for hub blades (a type of dicing blade used in dicing machines) developed and manufactured by AA Diamond Technology Co., Ltd. (hereinafter “AA Diamond”) in collaboration with Tokyo Seimitsu Co., Ltd. (hereinafter “Tokyo Seimitsu”) effective July 1, 2026.
AA Diamond is a joint venture company established by on May 9, 2025, by Tokyo Seimitsu and Asahi Dia for the purpose of developing, manufacturing, and selling hub blades, and and has obtained ISO 9001 certification. For an overview of the joint venture, please refer to the press release dated May 9, 2025.
(Progress on Disclosure Matters) Notice Regarding the Establishment of a Joint Venture.pdf
Asahi Diamond ceased sales of its own hub blade products as of the end of March 2026, and Tokyo Seimitsu ceased sales of its own hub blade products as of the end of June 2026.
