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近日,北京华腾工程新材料有限责任公司的高性能无卤阻燃聚对苯二甲酸丁二醇酯(PBT)改性工程塑料、高性能无卤阻燃聚对苯二甲酸乙二醇酯(PET)改性工
Recently, Beijing Huateng Engineering New Materials Co., Ltd. of high-performance non-halogenated flame-retardant polybutylene terephthalate (PBT) modified engineering plastics, high-performance halogen-free flame retardant polyethylene terephthalate (PET) modified workers