塑料和树脂这两个名词也常混用。
其主要来源于塑料和树脂工业中广泛使用的增塑剂，也有相当部分来源于工业燃料的燃烧。
They mainly come from plasticizer in plastics and resins, and also partly come from burning of industrial fuel.
对于包装行业而言，它涉及到塑料和树脂供应商、添加剂制造商、复合生产商和模具商，以及纸箱、标签、油墨和粘胶剂供应商。
For packaging, it involves plastic and resin suppliers, additive manufacturers, compounders and molders, as well as carton, label, ink and adhesive suppliers.
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