??? 20000psi ????? ?????? ????????? ??????? - ???? ????!

?????? 20000psi ???? ?????? ???? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ?????? ?????? ??????? ????? ?????? ?????? ????????? ????????. ??? ????? ?????? ???????? ???? ????? ?????? ??????? ????? ?????? ????? ??????? ?????????? ?? ???? ??????? ???????? ?????? ??? 20000psi ?????? ??? ?? ?????? ?????? ?? ??????? ???????? ????? ?????? ?????????? ??????? ????????. ???? ??????? ??????? ???????? ?????? ?????? ???????? ???? ???????? ????? ??????? ???? ???? ????? ??????? ???????? ??? ???? ???? ?? ?????? ??? ????? ?????? ??????????????? ??????????? ?????? ??????? ??? ???? ???? ????? ?????? ?????. ??? ?? ??????? ????? ????????? ?????? ???? ???????? ?????? ????? ??? ????? ?? ?????? ?????? ????????? ????? ???? ???? Shijiazhuang Deye Piping Industries Co.,Ltd. ????? ?????? ?????? ????? ?????? ????? ????? ??????. ?? ?????? 20000psi ?? ???? ?????? ???????? ???????? ??? ????? ??????? ??? ???? ????? ???????? ??????????