
???? ??????
???? ??????
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????? ????? ??????? ?????? ??????? (???-M) ?????? ?????? ?????? ???????? ?????????? ????? ??????? ?????? ??????? ???-M ?????? ?????? ?????? ???????? ? ????????? ????? ???? ???? ????? ????? ??????? ?...??? ????????
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?? ???????? 1600mm-???? ????? ????? ?? ????????-?? ?? ???????? ???????-1200 / 14???? ?????? ?????? PE ????? ????? ? ???????? 1000 / 1200 / 1400 / 1600 / 1800mm ? ?????? ??? 0.6mpa ? 0.8mpa ? 1.0mpa ? ...??? ????????
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AD PE ????? ????????-HDPE ?????? ??????? ?? ???????? ??? ??? B????? ?????? AD PE ????? ? ?????????? ?? 200 ??? 2800mm ? ????? ??? ?? ??????? Hubei AD Building Materials Co. ? Ltd.???...??? ????????
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?? ?????? ??? HDPE???? ?? ???? ?????? ?????? ?? ????? ?????? ????? ??? ? ???? ???????? ???? ??? ?????? ??????? ????? ??????? ? ????? ?? ??...??? ????????