??? 15000 ??? ??? ???? ????? ????? ?????? ????????? ????????
??????????? ??? ???????? ???????? ????????. ???? ?????? ????? ?? ?????? ????? ??????? ??? ?? ??? ??? 15000psi. ?? ????? ??? 15000psi ?????? ??? ????? ?????? ???????? ??? ?????? ?????? ????????? ?? ????????? ???????? ???????? ??? ????? ?????? ????????? ?????????? ???????? ???????? ?? ????? ??? 15000psi ?????? ??? ????? ????? ????????? ??? ???? ???? ??????? ?????? ????? ????? . ??? ?????? ????? ?????? ???????? ?????? ?????? ????????? ??????? ??? ?????. ???????? ??? ???? ???? ????? ?????? 15000psi ?????? ??? ?????? ???????? ??????? ???????? ?? Shijiazhuang Deye Piping Industries Co.,Ltd.? ??? ??????? ?????? ?????? ?????? ????? ????? ?????????. ?????? ?? ?????? ???? ????? ??? ??????? ?????? ?????? ???? ???? ???? ?????? ??????? ???? ??? ????? ??? ??? ?????? 15000psi ?? ?? ???? ??????? ??? Shijiazhuang Deye Piping Industries Co.,Ltd. ???? ?????? ???????? ?????? ?????????. ???? ??? ????? ?????? ?????? ?? ??? 15000psi ?????? ??? ???? ?????? ??? ??????? ??????