???? ???? DN600 ???? 24 ???? ?? ?????? ??????? ??????? - ????? ??????

?? ???? ?? ???? ???? ???? ?????? DN600 ???? 24 ????? ???? ??????????? ??? ??????? ???????? ???????? ?? ?????? ??????. ????? ?? ???? ??? ?????? ?????? ???????? ?????? ?????? ???? ????? ?? ?????? ?????????? ?? ???????? ????????. ???? ?????? ?????? DN600 ???? 24 ???? ???? ?????? ????? ????? ????? ???? ??????? ?????? ????? ?????. ????? ??? ?????? ?????? ????? ?? ?????????? ??? ?? ??? ????? ????? ?????? ??????? ?????? ?? ???????. ????? ?????? ???? ?????? ??? ???? ?????? ??????? ????????. ?? ???? ??????????? ??? ??????? ???????? ????????? ??? ?????? ???? ??????? ?? ?????? ?????. ????? ?????? ?????? ?????? ????? ?????? ????? ????????? ?????? ???????? ???????. ?? ??????? ??????? ?? ??????? ??????? ????? ??? DN600 ???? 24 ???? ???? ???????? ??????? ???????? ???? ??? ????? ?????? ?????? ?? ???? ????? DN600 ???? 24 ???? ?????? ??? ???? ????? Shijiazhuang Deye Piping Industries Co.? Ltd. ????? ????????? ?? ???????? ????????