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???? Hubei AD ???? ??????? ???? ???????? ??????? ?????? ?????? PVC-M ???????: ??? ?? ??? ??? ??????? DN200 / 300 / 500 /...
??? ???????? ???? ??????? HDPE ????? ?????? ?????? ???? ???????? | DN200-DN1200 ?????? ?????
???? Hubei AD Building Materials ?????? ?????? ????????? ???????? ??????? ??? ?????? ?????? ????? ??????? HDPE ? ??? ?? ...
??? ???????? AD PPR ????? ??????? ???????? ?????? _ DN ?????? ?????? ????? - ????? ???? ?????
????? Hubei AD Building Materials ?????? ???? ?????? ???????? ??????? ?????? PPR ? ????? ????? ?????? ????? ??????? ????...
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???? Hubei AD Building Materials ?????? ???? ??????? ?????? PPR ????? ?????? ??????? ? ??? ?? ??? ????? ??????? ????????...
??? ???????? ??? ???????? ????? PE - ????????? ??????? ????? PE 20mm - 1600mm _ ??????? ?????
???? Hubei AD Building Materials (17399989993) ?????? PE ????? ????? ?? 20 ?? ??? 1600 ?? ? ???? ??????? ?????? ??????? ...
??? ???????? ???? ??????? ?????? ??????? ?????? PVC-U
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??? ???????? ??? ???? ????? ??????? ??? ?????? ????? PVC-U - ????? GB / T 5836.1-2018
???? Hubei AD Building Materials ???? ??????? ??? ????? ??????? PVC ? ?????? GB / T5836.1 ???????? ??????? ? ?????????? ...
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