
???? ???????
???? ???????
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???? ?????? ?? ????? ??? ????? ?? ????? ???? (HDPE-M) ????? ??? ???? ??????? ?????? ?? ????? ??? ????? ?? ????? ???? HDPE-M ????? ??? ? ?? ???? ?? ????? ???? ?????? ??? ????? ?? ????? ???? ???...?????? ??????
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???? ??? ????? 1600 ???? ???-???? ??? ????? ?? ??? ??? ?????? ????-?????? ???? ???? ???? ???? ??? ??? ????? ?? ??? ??? ?????? ?? ?????? 1000 / 1200 / 1400 / 1600 / 1800 ???? ??? ? ??????? ???? 0.6mpa ...?????? ??????
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???? ????? AD PE-??? ??? ????? ??????? HDPE ???? B ??????? ????? AD PE ? ?????? 200 ?? 2800 ???? ??? ????? ??? ? ??? ????? ?? Hubei AD Building Materials Co., Ltd ???? ??????...?????? ??????
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?? ???? ??? HDPEHubei AD Building Materials ?? ????? ???? ??? ??? HDPE ?? ??????? ?? ???? ????? ??? ????? ?? ????? ???? ?? ?? ????? ????...?????? ??????
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???? ?????? ?? ????? PHM ? ???? ?????? ????????? ??? PP-HMHubei Aoyuan Building Materials Co., Ltd. ????? ?? ????? ???? ??? ?????? ?? ????? PPHM ???. ??? ???? ???? PP ???? ?? ???...?????? ??????
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??????? ???? ????? PVC ? ??????? ???? ?????Hubei AD Building Materials Co., Ltd. ????? ?? ????? ???? ??? ????? AD PVC ? ????? ????? ???????? ???. ??? ????? ?? ??? ...?????? ??????
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??????? PPR ? ??????? ???? ppr ??????? ADAD Pipe ?? ????? ??????? ???? PPR ???? ???? ? ??? ????? ?? ??????? ????? ?????? PPR ? ?? ???? ? ?????? ? ??????? ? ?????...?????? ??????
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???? ??? MPP ???? ????? ???? ??? MPPHubei AD Building Materials ?? ????? ???? ??? ??? mpp ? ????? ????? ??? ????? ???? ?????? ? ???? ??? ??? mpp ? ???? ??? ...?????? ??????
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???? ?????? ?? ????? ????? ??? PVC-M ?? ???? ????Hubei AD Building Materials (17399989993) ???? ??? ?????? ?? ????? ????? ??? PVC-M ?? ???? ????? SN25 ? ????? ??? ?? ???...?????? ??????
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???? ????? ??? ???????? ?????? ?? ???? HDPEHubei AD Building Materials (17399989993) ???? ????? ??? ???????? ?????? ?? ???? HDPE (??????: ???? ?????? ?????? ?? ???...?????? ??????
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???? ??????? PPR - ?? ??? - ????????? PPR ?? ??? Hubei AD Building Materials (17399989993) ?????? ???????? ???? ?? ?????? ?????? + ???? ???? ????? ?? ???...?????? ??????
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???? ??????? PPR????? ???????? Hubei AD (17399989993) ????? ???? ????? ?? ????????? ??? PPR ? ????? ?? ???????????? ??????? GB / T18742....?????? ??????