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

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