my country’s polypropylene (PP) industry is large but not strong

my country's polypropylene (PP) industry is large but not strong, and high-end products are still highly dependent on imports

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my country’s polypropylene (PP) industry is large but not strong, and high-end products are still highly dependent on imports

2023年12月1日 6Like 39read Comments

Polypropylene (PP) is a thermoplastic formed by the add…