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?? ????????? ???????? ? ??? ?????? ??????? ?????? ????? ??????????? ???????? ?? ??????? ????? ??????? ?????? ????? ?????. ???? ???? Hubei Aoyuan Building Materials Co. ? Ltd. ? ????? ????? ?????? ???????? ??????????? ? ?????? ????????? ????? ????????? ??.
????? ????? PVC ???? ??????? 50 ?? ? ????? ????? ? ????? ???????? ?????? ??????. ??? ??????? ??? ????? ????? ? ???? ?? ?????? ??? ??????? 50 ?? ????? ? ???????? ???? ???? ???????. ?????? ?? ?????? ??? ??????? 75 ?? ?? ??????? ???????? ???????? ?????? ??????. ????? ??????? ?? ?????? ?????? ????? ????? ????? ???????? ??? ???????? ?? ??????? ? ?????? ????? ????? ???????? ??????? ?????? ?????? ????????. ????? ??????? 110mm ?? ???????? ? ?? ??????? ?????? ?????? ??????? ?? ???? ???? ? ???? ????? ??????? ????? ? ??? ??????? 110mm ???? ???? ????? ????? ? ???? ???? ???? ????? ?????. ????? ?????? ??????? ?? ?????? ??????? ??????? ? ????? ???? ?? ???? ??? ????????? ????? ???? ??????? ???????.
????? ?????? ?? ??????? ?????? ?? ?????? ????? ??????????? ? ???? ???? ???????? ??????? ? ?? ??????? ???????????? ???????? ? ????? ?? ?????? ?????? ???????? ? ???????? ? ??????? ????? ???? ? ?????? ????? ?????? ??????? ????? ????? ??????
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