Company is Highlighting Strategic Focus on U.S. Opportunities, Balance Sheet Improvement, and Management Commitment TAICHUNG, Taiwan and HOUSTON, Oct. 23, 2026 (GLOBE NEWSWIRE) — J-Star Holding Co., Ltd. (Nasdaq: YMAT) ("J-Star” or the "Company”), an innovator in advanced composite manufacturing, today announced it has filed its unaudited interim financial results for the six months ended June 30, 2026, on Form 6-K with the U.S. Securities and Exchange Commission.Backed by a robust operating heritage spanning over 50 years and guided by leadership with three decades of hands-on global industrial experience across the globe, J-Star has consistently navigated global industrial evolutions through…