??????? ??????? ??????? ?????: ????? ?????? OEM ????? ????? ?????? ???

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