???? ??? 2500# ???????? ????? ?????? | ???? ??????

???? ??? ?????? 2500# ?????? ?? ???? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ???? ????? ????? ?????? ???? ?????? ????????? ????????. ?? ????? ???? ????? ??? ?????? ???? ?????? ?????? ?? ???? ???????? ????? ?????? ????? ????????? ??????? ?? ???????? ??? ????? ?? ???? ????? ??? ??????? ??????? ????? ?? ??????? ???????? ?? ????? ???????? ??? ?? ????? ???? ????? ??? ????? ???? ????? ????? ??????? ???????. ??? ?????? ?????? ????????? ?? ??????? ??????. ???? ?????? ????? ???????? ??????? ????? ????? ????? ?????? ?? ??????? ??? ???? ??????? ???????? ??????? ?????? ???? ????? 2500# ?????? ?????? ?????? ?????? ?????? ????????? ??????? ?????? ???????? ????????. ???? ????? ???????? ????????? ????? ???????????? ??? ???? ????? ??? ?????? ??????? ???????? ??? ????? ?????? ????????? ?????????? ??????????????? ?????? ?????? ???????. ????? Shijiazhuang Deye Piping Industries Co.,Ltd. ?????? ??? ???? ?????? ??? ????? ?????? ???????