????? 800SPSI ????? ?????? ?????? ???? | ???? ????

?? ????? 800SPSI ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ????? ?????? ????? ?????? ????? ?????? ???????? ?????? ?? ???? ???????? ???? ???? ?????? ??????? ????????? ???????? ??????. ??? ??????? ?????? ????????? ?? ????? ????????? ??? ?? ??? ?????????????? ?????? ?????? ??????? ?????? ?????? ??????? ?????? ????? 800SPSI ????? ???? ?????? ?????? ??? ?????? ???? ??????? ????????. ??? ????? ?????? ????? ????? ????? ????? ???????? ?????? ?????? ?????? ?????. ???????? ??? ???? ????? ??? ??????? ????? ??????? ??? ??????? ???????? ???????? ??????? ????? ?????? ???????? ?????? ??????? ????????? ???????. ???? ?????? ??????? ???? ?????? ??????? ???? ????? 800SPSI ????? ????????? ??????? ????????? ??? ???? ?? ???????. ?? ??????? ???????. ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ????? ?????? ?????? ?????? ?? ?????? ??????? ??? ???? ????? 800SPSI ?????? ??????? ????????? ??????? ???????? ?????? ??.