
???? ??????
HDPE ????? ?????? ?????? ????????
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Jingjie PE ?????? ?????? ?????? ????????Jingjie HDPE ????? ?????? ?????? ???????? (SN8 ????) ? ????? ????? ?? ?????? AD ? ??????? ?????? ?? Hubei AD Building Ma...??? ????????
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AD PE ????? ?????? ?????? ?????????? ??? ?????? ?????? ?????? ???????? (SN8 ????) ? ??????? ?????? ?? ??? ???? ?? ???? ?????? ???????? ? ????? ?????? ?? ?...??? ????????
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HDPE ????? ?????? ?????? ?????????? ?? ?????? ????? ? ?????? ?? ?????? ???????? ??????? ?? ????? ? ???? ??? ????? ????? ???? sn8 dn300 ??? ?????? ?????? ...??? ????????
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HDPE ????? ?????? ?????? ????????????????? ???? ????? ?? ????? ???????? ??????? PE ?? ????? ? ??? AD Pipeline Wuhan ?????? ?? ????? ???????? ??????? ????...??? ????????
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HDPE ?????? ?????? ?????? ???????? dn800?? ?? ?????? ????? ? ???? ????? ?????? ??? ?????? ?????? ?????? ???????? ??????? ? ?????? ?? ????? ????? ???? dn800 ??? ...??? ????????