PP北欧化工HL508FB吹塑成型聚丙烯塑胶原料Borealis ¥9.00 PP北欧化工HL504FB吹塑成型聚丙烯塑胶原料Borealis ¥9.00 PP北欧化工TD109CF耐低温冲击聚丙烯塑胶原料Borealis ¥9.00 PP北欧化工SC820CF薄膜挤出聚丙烯塑胶原料Borealis ¥9.00 PP北欧化工RG835MO抗伽玛辐射聚丙烯塑胶原料Borealis ¥9.00 PP北欧化工RF830MO抗伽玛辐射聚丙烯塑胶原料Borealis ¥9.00