HDPE菲律宾石化5502HDPE中石油大庆5000SHDPE中石油大庆HC7260HDPE中石油大庆2200JHDPE中石油吉化JHF7750MHDPE中石油吉化0855HDPE中石油吉化HC7260HDPE中石油兰州5000SHDPE中石油兰州60550AGHDPE中石油独山子HD5420GAHDPE中石油抚顺2911HDPE中石化茂名TR-144HDPE中石化茂名TR480HDPE中石化茂名5502LWHDPE中石化茂名HHM5502HDPE中石化茂名8916HDPE中海壳牌5621DHDPE中海壳牌5421B