????? ??? ???? ???? ?? ?????? ????? ??? ???????? | ???? ????

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