?? ?????? ???? ?????? ????? ?? ???????? ???? ?????? ???? ??????

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