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J-Star Holding Co., Ltd 6-K, filed Dec 22, 2025

J-Star Holding Co., Ltd. (YMAT)

6-K 2025-12-22 For: 2025-12-22
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Added on April 11, 2026

About this 6-K

J-Star Holding Co., Ltd filed this 6-K on December 22, 2025.