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

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