???? ????? 300 ??? ???? ?????? ????????? ???????

??? ????? ???????? ???????? ?????? ?? ?? ???? ???? ??????? ??? 300 LBS? ???? ?? ?????? ??????? ?????? ???? Shijiazhuang Deye Piping Industry Co.,Ltd. ??? ?????? ???? ?????? ????? ??????? ????? ?? ?????????? ??? ?? ??? ????? ????? ?????? ???????? ?????? ???? ??????? ??? 300 LBS ????? ??? ????? ???? ??????? ??? ????? ??????? ?????? ????? ?????. ??? ?? ?????? ????? ?????? ?????? ??????? ???????? ??? ???? ??????? ????? ??????? ?? ??????? ??????. ???? ?????? ????? ??????? ??????? ??? ???? ?? ???? ????? ????? ?????? ????? ???????? ?????? ??. ????? ?? ???? ??????? ???? ??????? ??? 300 ??? ????? ??? ????? ?????? ?????? ???? ?????? ?? ???????? ??? ???? ?? ????? ?????? ?? ????? ??????. ???? ??????? ??????? ??????? ??????????? ??? ???? ??????? ????? ??? ?? ?? ???? ?? ??? ??????? ?????????? ????????? Trust Shijiazhuang Deye Piping Industry Co.,Ltd. ?????? ??? ???? ??????? ??? 300 LBS ???? ?????? ????????? ????????? ?????? ???????? ?????? ?? ??? ??????? ?????? ?? ?????? ??????????