???? ??? ???? ???? ?? ???? ????? ??????? ?? ????? 600 LB

??? ?????? ?????? ??? 600 LB ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ???? ?????? ???????? ?????? ????????? ?? ????????? ????????. ?? ????? ??? ?????? ?????? ?????? ??????? ??? ????? ????????? ?? ????? ????? ??????? ??? ???? ???? ????? ??????? ?????? ?? ??????? ????? ?? ???? ?????? ???? ???? ????? ??????? ??? 600 LB ????? ???? ????? ????? ????? ?????? ???????. ???? ???????. ????? ?????? ????? ??? ?????? ?????? ??? ???? ??????? ????? ????? ?????? ?? ??????? ???????? ?? ??????? ??? ?????? ????????? ??? ??? ?????? ?????? ??????? ?????? ???????? ??? ????? ?????? ??????????????? ?????? ??????. ???? ??????? ????? ??????????? ?????? ??????? ???????? ?? ??????? ???????? ????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ?????? ?????? ????? ??????? ?????? ?????? ?????? ?? ????? 600 LB ?????? ????? ??? ???????? ??????? ?? ????? ????????