HDPE5502上海金菲10400HDPE4801独山子石化10600HDPE6098齐鲁石化10200HDPE5502茂名石化10100HDPE4801中油华东10400HDPE5000S扬子石化11100HDPE7260吉林石化10400HDPE5502中油华东10000HDPEMH602上海石化11100)