
???? ??????
PVC ????? ?????? ?????? ????????
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Jingjie PVC ?????? ?????? ?????? ???????????? ???? Hubei Aoyuan Building Materials Co. ? Ltd. ?????? ???????? ??????? ?????? ?????? Jingjie PVC. ????? ????? ????...??? ????????
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UPVC ????? ?????? ?????? ???????????? ???? Hubei Aoyuan Building Materials Co. ? Ltd. ?????? ?????? ????? ?????? ?????? UPVC ????? ??????. ????? ????? ??...??? ????????
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PVC ????? ?????? ?????? ???????? dn110??? ????? ?????? ?? ?????? ?????? ?????? ???????? ??????? ?? ????? ? ?? ?? ?????? ????? ?????? ?? ????? dn110 ?? ?????? ...??? ????????
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AD PVC ????? ?????? ?????? ????????Hubei AD Building Materials Co., Ltd. (AD Pipeline Wuhan) ?? ???? ?????? ?? ????? ???????? ??????????? Hubei ? ??? ???? ...??? ????????