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??? ?????? ????? PE ???? ????? ?????? ? ?? ??????? ?????? ???? ????? ?????? PE ?????? ??????? ????? ??????. Hubei Au Yuan Building Materials Co. ? Ltd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ubei AD Building Materials Co. ? Ltd. ????? ?????? ?????? ??????? ? ????? ????? ??????? ??????? ????? ?? ??????? ?? ?????? ???????? ???????? ??????? ??? ????? ?? ??? ?????. ??? ???? ???? ???????? ???? ?????? PE ? ?? ???? ????? ??? ??????? ???????? ???? ????? ?????? ? ????? ??????? ?? 17399989993 ? ??????? ???? Hubei AD Building Materials Co. ? Ltd. ??? ?????.
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