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???? ?????? ?? ????? ????? ??? PVC-M ?? ???? ????Hubei AD Building Materials (17399989993) ???? ??? ?????? ?? ????? ????? ??? PVC-M ?? ???? ????? SN25 ? ????? ??? ?? ???...?????? ?????? -
???? ??????? PVC-UHubei AD Building Materials (17399989993) ????? ?? ????? ???? ??? ????? ?? PVC-U ? ????? ???? ??? ????????? ??? GB / T12...?????? ?????? -
???? ???? ??? AD cpvc????? ????: 173-9998-9993 AD ???? ???? ??? CPVC ?? ??? ????? ?????? ?????? ????? ??? ??? ?? ?? ????? ???? ???? ? ???? ??...?????? ?????? -
???? ?? ???????? ???? ???? AD UPVC????? ????: 17399989993 AD UPVC ????? ????? ???? ?? ??????? ???? ?? ???? UPVC ?? ????? ???? ? ?????? ?? ????? ?????? ???...?????? ?????? -
???? ????? AD UPVC????? ????: 173-9998-9993 AD ???? ????? UPVC ?? ???? UPVC ?? ????? ???? ????? ??? ??? ? ?????? ????? ??? ??? ?? ?????? ?...?????? ?????? -
???? ?????? ?? ????? AD PVC???? ?????? ?? ????? AD PVC ? ????? ??? ?? PVC ?? ????? ???? ?? ????? ???? ????? ? ????? ??? ?? ???????? ???????. ??????...?????? ??????
