Ibbm Gate Valve: ?? ?????? ?????? ???? ??????

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