???? ????? DN600 ???? ?????? ?? ??????? ???????? - ????? ????!

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