DuPont(杜邦)聚对苯二甲酸丁二酯PBTLW9020 BK580
DuPont(杜邦)聚对苯二甲酸丁二酯PBTSK645FR BK851
DuPont(杜邦)聚对苯二甲酸丁二酯PBTSK645FR NC010
DuPont(杜邦)聚对苯二甲酸丁二酯PBTSK643FR NC010
DuPont(杜邦)钛白粉 R-796+
DuPont(杜邦)钛白粉 R-931
DuPont(杜邦)聚甲醛POM1700P NC010
DuPont(杜邦)聚对苯二甲酸丙二酯2045G BK346A
DuPont(杜邦)钛白粉 R-796+
DuPont(杜邦)钛白粉 R-960
DuPont(杜邦)化学试剂GLYCOLIC ACID
DuPont(杜邦)聚酰胺PAFR50 NC010