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

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