??????? ????? SAF2507 ????? ?????? ??????? ??????? ??????

??????????? ??? ???????? ???????? ????????. ???? ?????? ?????? Saf2507 ???? ??????. ?? ????? ??? Saf2507 ????? ??? ???? ????? ????? ???????? ??????? ?? ????? ???????? ????????? ????? ?? ???? Saf2507 ????? ??????? ??? ?? ????? ??? Saf2507 ????? ??? ?????? ????? ?????? ???????? ??????? ??????? ??? ????? ?????? ??????? ????????? ?? ???????? ??? ????? ?????? ????????? ?????????? ?????????? ???????. ???? ???????? ???????? ?????? ???????? ???? ??? Saf2507 ??? ???? ???? ??????? ????? ??? ????????? ???????? ??? ???? ????? ??? Saf2507 ????? ??? ?? ?????? ?????? ?? ??????? ?????????? ?????? ?????????? ??????? ???????? ????????. ??? ?????? ?? ???? ???? ?????? ?????? ??????? ???????? ???????? ??? ???? ?????? ??????? ??????????? ?? Shijiazhuang Deye Piping Industries Co.,Ltd.? ??? ??????? ?????? ???? ???????? ????? ??????? ?????? Saf2507 ??? ????????. ???? ??? ????? ?????? ?????? ?? ?????? Saf2507 ???? ???? ?? ???? ????? ???????? ????