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????? ????? ?????? ??????? ??? ???? ???? ? ???? ????? ???? ??????? ???????? ???? ????? ?? ???? ???????. ????? ?????? ??????? ????? ??????? (LDPE) ?? ???? ???? ?????? ???? ? ?????? ?????? ???????? ?????? ??????? ???????? ? ????? ?????? ??????? ???? ??????? (HDPE) ???? ????? ????? ??????? ??? ???? ? ??? ????? ??????????? ??? ?????? ????? ??????. ??? ???? ??????? ???? ???????? ?????.
????? ????? ??????? ?????? ??????? ????????? ?? ????? ? ????? ???? Hubei Aoyuan Building Materials Co. ? Ltd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ubei AD Yuan Building Materials Co. ? Ltd. ????? ?????? ?????? ???? ??????? ???? ?????? ?????????? ???????.
