???? ???? SAF2205/SAF2507 ???? ?????? ????? ????

?????? ?????? SAF2205/SAF2507 ?????? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?? ???? ??????? ???????? ?????????? ??????? ???????. ?? ????? ??? ???????? ??????? ?? ??????? ??????? ????? ??????? SAF2205/SAF2507 ???? ??????? ??? ???? ?????? ?????? ?????? ????? ??? ?????? ?????? ????????? ?? ??????? ??????? ???????? ??????? ?????? ?????? ?????? SAF2205/SAF2507 ?????? ??? ?????? ??????? ????? ?? ?????? ?? ?????????? ??? ?? ??? ????? ?????? ????????? ?????????? ???????? ???????. ??? ?? ?????? ??????? ?? ?????? ?????? ??????? ???????? ??? ???? ????? ??????? ?? ?? ??????? ??????? ???????? ??? ????? ?????? ????????? ?? ????? ?????? ?????? SAF2205/SAF2507 ?????? ??????? ????????? ?? ????? ??? ????? ????? ???? ???? ????? ??? ???? ??? ???? ???? ?? ??? ??????? ???????? ???????? ?????? ??? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd.? ??? ??????? ?????? ?????? ????? ?????? ????? ????? ??????. ???? ??? ????? ?????? ?????? ??? ?????? ?????? SAF2205/SAF2507 ???? ????? ????? ???????? ????????? ?????? ??