Hung Chou Fiber Ind. Co., Ltd manufactures and sells polyester filaments in Taiwan and internationally. Its products include polyester chips, pre-oriented yarns, fully drawn yarns, drawn textured yarns, and polyester fibers, as well as biodegradable yarns under the BioPro brand. The company also offers functional MB non-woven fabrics for medical nonwoven applications, 37.5 technology for apparel, antibacterial fibers with cupric nanoparticles, and graphene dyeable fibers. It is involved in the manufacturing, processing, and trading of synthetic chemical fibers and plastic filaments, and in real estate leasing. Formerly Hung Chou Chemical Industries Co. Ltd., it changed its name in June 2015, was founded in 1968, and is headquartered in Taipei, Taiwan.