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???? ????? AD PE-??? ??? ????? ??????? HDPE ???? B ???
￥50
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???? ????? AD PE ? ?????? 200 ?? 2800 ???? ??? ????? ??? ? ??? ????? ?? Hubei AD Building Materials Co., Ltd ???? ??????.??????? ???? ????? ? ??? ????? ????? ??? ????? ??? ? ?????? ????? ??? ??? ?? ???? ???. ??? ??????...
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