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?? ???? ??? PPR
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??? ????? GONGYUAN PPR ??????[Hubei AD Building Materials Co., Ltd.] ????? ?? ????? ??? ????? AD ppr ?????? ? ??????? ???? ????? ? ???? ??????? ???? ...?????? ?????? -
???? AD PPR????? ?? ????? ???? ??? AD ppr ? ??????? ???? ppr ? ????? ?????? ???? ???? ppr ? ???? ?????? ??? ? ???? ???? ppr. ???? ?...?????? ?????? -
??????? PPR ? ??????? ???? ppr ??????? ADAD Pipe ?? ????? ??????? ???? PPR ???? ???? ? ??? ????? ?? ??????? ????? ?????? PPR ? ?? ???? ? ?????? ? ??????? ? ?????...?????? ?????? -
???? ??????? PPR - ?? ??? - ????????? PPR ?? ??? Hubei AD Building Materials (17399989993) ?????? ???????? ???? ?? ?????? ?????? + ???? ???? ????? ?? ???...?????? ?????? -
hot ???? ??????? PPR????? ???????? Hubei AD (17399989993) ????? ???? ????? ?? ????????? ??? PPR ? ????? ?? ???????????? ??????? GB / T18742....?????? ?????? -
???? ?? ??? ? ??? AD PPR????? ????: 173-9998-9993 AD ???? ?? ??? ? ??? PPR ?? ???? ??? ??????? ??????? ?????? ?? ????? ???? ? ??? ? ??? ????? ? ...?????? ??????
