polypropylene granules injection/extrusion grade pp td20 pellets for car bumper manufacturers

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Polyamide12 Granules, PEEK Resin Price — 汽车保险杠用聚丙烯颗粒注射/挤出级Pp Td20颗粒Polypropylene Granules Injection/extrusion Grade Pp Td20 Pellets For Car Bumper