????? Bb: ???? ?? ???? ?????? ??????? ?????? | ??????? ???????

????? ????? Bb ???????? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?? ????? ???? ??????? ???? ?????? ??? ?????? ?? ???? ????? ?????? ?? ???????? ??? ?? ??? ????? ?????? ??????? ??? ????? ?????? ??????? ??????? ????? ?? ????????? ????????. ?? ????? ????? Bb ???? ???????? ????? ????? ????? ????? ????? ???? ????? ????? ?????? ?????? ?????? ?????? ?????? ??? ???? ??????? ?????? ????? ??????? ??? ??? ????? ??????. ??? ???? ???? ?????? ??????? ??? ???? ?????? ??????? ????????. ????? ??????? ???????? ??????? ??????? ??? ????? Bb ?????? ?????? ?????? ?? ???? ??????? ?? ???? ???????? ???????? ???????? ?????????? ?????? ?? ????????? ????????. ??? ?????? ?? ?????? ?????? ?? ??????? ??????? ????? ?????? ??????? ????????? ????????? Trust Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?????? ???? ????? ?????????? ?? ???? Bb Gate. ???? ??? ????? ?????? ?????? ?? ??? ?????? ???? ???? ?? ???? ???????