????? ????? ??? ???? ?????? ??? 800 ??? ?????? ???????

???? ??? ?????? ?? ????? 800 LB ?????? ?? ???? Shijiazhuang Deye Piping Industry Co.,Ltd. ?? ?? ???? ?????? ?????? ?????? ?? ???? ??????? ?? ???? ????????. ?? ????? ??? ?????? ?????? ?????? ??????? ???? ??? ??? 800 ??? ??? ???? ?????? ??? ????? ??????? ????????? ?? ????????? ???????? ????????? ??? ????? ?? ???? ????? ?????? ?????? ????? ???? ????? ??? ????? ????? ????? ?????? ??????? ??? ???? ????? ?????? ???????. . ?? ?????? ????? ??????? ???????? ????? ?????? ???? ???????? ???? ???????? ?????? ??? ???? ??????? ?????????? ??? ????? ????? ???????? ??? ????? ??????????? ?? ????? ???? ????? ??? 800 LB ??? ????? ?????? ??????? ????????? ??? ???? ????? ?????? ???????? . ?? ??????? ??? ?????? ????????? Shijiazhuang Deye Piping Industry Co.,Ltd. ???? ?? ???????? ???? ???????? ??????? ??????? ?????? ???????? ?????? ??? ?? ????? ????? ?????? ?????? ?? ?????? ?? ???? ???????? ????? ??? ??? ???? ????? ??? 800 LB ?? Shijiazhuang Deye Piping Industry Co.,Ltd. ?? ?????? ???????