
???? ??????
PVC ????? ?????? ?????? ????????
-
PVC ????? ?????? ?????? ???????? dn110??? ????? ?????? ?? ?????? ?????? ?????? ???????? ??????? ?? ????? ? ?? ?? ?????? ????? ?????? ?? ????? dn110 ?? ?????? ...??? ????????
-
PPHM ????? ?????? ?????? ??????????????? ??????? ??????? ???? ?????? PPHM ?????? ?????? ?????? ? ???? ???????? ?????? ?????? ??????? ????? ??????? ??????...??? ????????
-
AD PVC ????? ?????? ?????? ????????Hubei AD Building Materials Co., Ltd. (AD Pipeline Wuhan) ?? ???? ?????? ?? ????? ???????? ??????????? Hubei ? ??? ???? ...??? ????????