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In August 2021, Jiangsu Zhongyuan Industrial Group Co., Ltd. was awarded the Green Fiber Certification Certificate by the China Chemical Fiber Industry Association for its recycled and reused raw liquid colored polyester filament and recycled polyester filament. The products comply with CTTC-AR-010; The 2019 "Implementation Rules for Product Certification - Green Fiber Product Certification" and T/CCFA 02007-2019 "Technical Requirements for Green Fiber Evaluation" allow the use of the Zhongfang certification mark.