RONGXIANG is the proprietary fiber brand owned by Rongsheng Petrochemical under Zhejiang Rongsheng Holding Group, specially developed for polyester filament yarn products. Registered under Class 23 for yarns and threads, the brand covers a wide range of products including POY, FDY, DTY, differentiated and functional polyester fibers. Rooted in Rongsheng’s complete integrated petrochemical industrial chain, RONGXIANG products feature stable quality, consistent physical indicators and customizable specifications for different weaving and fabric requirements. RONGXIANG fibers are widely used in fashion apparel, sportswear, curtains, bedding and industrial textile sectors. Adhering to strict quality inspection standards, the brand focuses on technical innovation of differentiated fibers, delivering trusted polyester fiber materials to global textile manufacturers and weaving mills.