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?????? ??? ?? ???? ??????? ??????? ???????? ????? ?????? ?? Shijiazhuang Deye Piping Industry Co.,Ltd. ??? ?????? ?????? ???? ???????? ????????? Black King Nipple. ?? ????? ??? ?????? ????? ?????? ?????? ??? ?????? ???????? ????? ?? ??????? ???????? ????????? ??? ?? ??????? ???????? ???? ?????? ?????????? ??????? ????? ???? Black King ?????? ?????? ?????? ?????? ?????? ?????? ??????? ??????. ??? ????? ????????? ?? ?????? ??? ????? ?????? ??????????? ??????????????? ??????? ??????? ?????? ????? ????? ????? ???? ??? ?????? ??????? ????? ??????? ?? ??????? ??? ????? ???????? ??????? ?????? ???????? ????? ?????????. ?? ???????? ??????? ???? ??????? ???? ?? Black King Nipple ???? ???????? ??????? ??????? ?????? ??????? Trust Shijiazhuang Deye Piping Industry Co.,Ltd. ????? ???? ???????? ?????? ??? ??????? ?????? ??????? ????? Black King Nipple. ???? ??? ????? ?????? ?????? ?? ???????? ??????? ?? ?????? ???????? ??????????