poly-phenylene sulfide pps raw material heat resistance pps gf25 plastic pellet manufacturers

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Antistatic PA12 Black Granules Recycling PA12 Nylon12 Granules — 聚苯硫醚PPS原料耐热PPS Gf25塑料颗粒Poly-phenylene Sulfide PPS Raw Material Heat Resistance PPS Gf25 Plastic Pellet