?????? Saf2205: ?????? ?????? ?? ??????? ??????? ????? ????? ?????? ????????? ???????

???? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ????? ???? ?????? ?? ?????? SAF2205 ?????? ????????? ????????. ?? ?????? SAF2205 ?????? ??? ?????? ?? ????? ??????? ??????? ????? ????????? ????? ???? ??? ?????????? ??????? ??????? ??????? ??????. ??? ???????? ?????? ????????? ?? ?????? ??? ???????? ??????????? ?????? ??????? ????????? ???????? ????? ?? ???? ????? ?????? SAF2205 ?????? ??? ?? ?????? ?????? ?? ??????? ????????? ?????? ????????? ??????? ????????. ??? ??????? ???? ?????? ??????? ?????? ??????? ????? ????????? ???????? ?? ??????? ??????? ????? ?????? ??????? ??????? SAF2205 ?????? ???? ??????? ??????? ?????? ?? ??????? ?????? ??????? ??????? ??????? ????? ?????????. ??? ?????? ?????? ??????? ????????? ??? ????? ??????? ??????? ?????? ??????? ?? Shijiazhuang Deye Piping Industries Co., Ltd.? ??? ??????? ?????? ?????? ?????? ????? ????? ??????. ???? ??? ????? ?????? ?????? ?? ?????? SAF2205 ???? ???? ?? ???? ????????? ????????