Core Viewpoint - The article discusses the environmental impact report for Zhejiang Huafeng Ruixun Biochemical Materials Co., Ltd.'s new project to produce 60,000 tons of bio-based PTT annually, highlighting the company's expansion in the bio-based materials sector [1][2]. Group 1: Project Overview - The total investment for the new bio-based PTT production project is 21,270 million yuan, which is an expansion project that will increase the total annual production capacity to 90,000 tons [1]. - The bio-based PTT fiber is derived from bio-based 1,3-PDO, differing from petroleum-based PTT fibers, and is characterized by properties such as stain resistance, easy dyeing, and a soft hand feel [1]. Group 2: Company Background - Huafeng Group was founded in 1991 and is headquartered in Rui'an, Zhejiang Province. It has subsidiaries including Zhejiang Huafeng Ruixun Biochemical Materials Co., Ltd. and Zhejiang Huafeng Synthetic Resin Co., Ltd. [2]. - The company has recently completed a 30,000-ton bio-based PTT polymer project, which was transferred to Zhejiang Huafeng Ruixun Biochemical Materials Co., Ltd. for production management [2].