J-Star Holding Co., Ltd. is a holding company specializing in the manufacture and trade of carbon fiber composite products, bicycles, and sports accessories, with operations headquartered in Taichung, Taiwan. Drawing on more than five decades of expertise since its founding in 1970, J-Star Holding has developed advanced technologies in carbon reinforcement and resin systems. The company designs and produces a wide array of lightweight, high-performance carbon composite products, serving sectors such as personal sports equipment—including bicycle parts and rackets—healthcare devices, and key structural parts for automobiles. J-Star operates through subsidiaries in Taiwan, Hong Kong, and Samoa, positioning itself as a global supplier in the industrial and commercial services sector. Its products are distributed to both local and international markets, demonstrating the firm’s capability in applying composite material technologies across multiple industries. With its 2025 initial public offering, J-Star Holding Co., Ltd. underscores its ongoing commitment to innovation in materials science and the growing market for advanced composites in sports, healthcare, and automotive applications.