????? ?????? ?????? ????? ??????? Dn600 24 ?? ????? - ???? ??????

???? ????? ??????? Dn600 24 ?? ???? ??????????? ??? ??????? ???????? ????????? ?? ???? ????? ???? ?????? ???? ???????? ????? ?????? ?????? ??????? ???????. ???? ???? ???? 600 ?? (24 ????)? ???? ??? ?????? ??????? ?????? ?? ????? ?????? ?? ???? ????????. ???? ??? ?????? ???? ?????? ????? ????? ????? ??????? ??? ???? ????? ??????? ?????? ?? ??????? ??????. ????? ?????? ????? ???? ???????? ??? ???? ?? ?????? ????? ?????????? ??? ????? ??????? ??????? ????? ?? ????? ?????? ???????. ???? ????? ????? ?? ???? ?????? ???????? ????? ?????? ?????? ?? ??????? ??? ????? ??????? ????????? ?? ????? ????????? ??? ?? ??? ????? ?????? ??????????????? ?????? ?????? ??????. ???????? ??? ???? ???? ????? ?????? ????? ??????? ?????? ??????? ??????? ????? ?????? ??????? ??????? ???????? ????? ???? ??? ???? ????? ??????? Dn600 24 ?? ???? Shijiazhuang Deye Piping Industries Co.? Ltd. ?? ?? ????? ????? ?????? ?? ??????? ?? ????? ???????? ????? ??????