Jinan Acetate Chemical Co., Ltd. (4763.TW) engages in the research, development, production, and sale of cellulose acetate products including cellulose acetate tow, cellulose diacetate, cellulose acetates, and cellulose anhydrides; high-performance fibers such as acetate filament yarn and nylon air textured yarn; and related items like hollow fibers and non-woven materials for masks. Its core cellulose acetate tow serves primarily as the key raw material for cigarette filters, while other products support applications in ink pen refills, paper diapers, facial masks, glasses frames, tool handles, diaper absorbing linings, and clothing. The company operates manufacturing plants in Shandong Province, China, including facilities in Jiyang County, Jinan City and Tengzhou City, Zaozhuang City; maintains offices in Taipei, Taiwan and Jinan, China; and sells to customers across Asia, Europe, America, and Africa. Founded in 1999 and headquartered in Grand Cayman, Cayman Islands, it listed on the Taiwan Stock Exchange in 2015. Through its majority-owned subsidiary Acetek Material Co., Ltd., established via strategic alliances with Yankuang Lunan Chemical Co., Ltd. and Thy Glory Ltd., the company produces acetate flakes and has pursued upstream integration including acetic anhydride capacity expansion; Acetek Material received CNY 37.5 million in equity funding in March 2024; and in 2025, the company announced new share exchange and listing arrangements effective June 30.