???? ??? ?????? ?????? Tm ??? 900 ??? ???????? ????? ??????
??????????? ??? ???????? ???????? ????????. ???? ???? Tm Ball Valve ????? ?????? ???? 900 ??? ????? ?????? ?????????? ???????? ???????? ??? ????? ?????? ???????????????. ?? ????? ??? ?????? ?????? ??????? ????? ??????? ?? ???? ??? ???? ????? ??????? ?? ?? ?????? ??????? ???? ????? Tm ???? 900 ??? ????? ?? ???? ??????? ??? ???? ?????? ?????? ?????? ??????. ??? ????? ?????? ???? ?????? ??? ???? ??????? ?????? ?? ?????? ????? ?????? ?? ??????? ???????. ???? ?????? ????? ??????? ????? ??????? ??????? ??? ????? ??????? ???????? ??????? ??????? ??????? ?? ???????? ??????? ???? ???????? ??? Shijiazhuang Deye Piping Industries Co.,Ltd. ???? ?????? ?????? ????? ??????? ???? ?????? ?????? ????????. ??? ?????? ?????? Tm ???? ???? ???? 900 ????? ?????? ????? ??? ??? ???????? ??? ???? ????? ?????? ???????? ????? ????? ?????????? ????????. ?????? ??? ?? ???? ???? ???? ??????? ?? ?? Shijiazhuang Deye Piping Industries Co.,Ltd. ?????? ????? ??????