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