PVC??????÷?Χ

    Pvc?????,PVC?????????????,PVC??????????,??????PVC????????????????????PVC????????????PVC???,?????????????????繤???,PVC???????????????????????,???????????????????,PVC?????????????????????????.??????,??????????,?????????????????,??,??,?κ???Σ??????.???,PVC??????????÷?Χ????????????PVC????????????????.
PVC??????÷?Χ
    PVC????????????????????. PVC????????????????,????????????.???,???????????,???,??????Σ?????.????,PVC??????????????????.?????????????????????PVC?????з?Χ,???????PVC??. PVC?????????????е????,???????????,???????????2.5 Mpa????????.????????,????????С,????,??????????.?????????С,????????????.????????????????Ч???????,??,??,??,????????????????,??????????50??????.

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???????HDPE????????????


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