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

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