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Over 90% of the raw material cost of polyester fiber is traced back to crude oil. The core industrial chain path is as follows: Crude Oil → NaphthaCrude oil is distilled to obtain naphtha (aromatic raw material). Naphtha → PX / EthyleneNaphtha produces PX (Para-Xylene) and ethylene through cracking and reforming processes. PX → PTA…

Stable color consistency is the core quality standard for fleece fabrics like flannel and coral fleece. We strictly control batch color deviation through standardized full-process management: 1.Raw Material Consistency Adopt yarns from the same manufacturer, same batch and same specification. Avoid random replacement of raw materials; make lab dips for confirmation before bulk production if…