TAICHUNG CITY, Taiwan, Aug. 28, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (“J-Star” or the “Company”), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, today announced the launch of QO Bikes, a premium cycling components brand co-founded by its YMA subsidiary in partnership with industry pioneers Pablo Carrasco and ...