???? ????? ??????? ??????? ????? SS304: ???? ??????? ?? ???? ??????? ??????? ????? ???? ??????

??? ?????? ?????? ?????? ???????? SS304 ????? ?????? ?? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ?????? SS304 ?????? ??? ?????? ?? ??????? ??????? ????? ???? ??????? ??? ???? ?????? ?????? ?????? ?????? ??????? ????? ?? ????????? ????????? ?? Shijiazhuang Deye? ??? ????? ?????? ???????? SS304 ?????? ??? ????? ????? ????????? ??? ???? ????? ??????? ?? ???? ???? ????. ???? ??? ???? ?? ?????? SS304 ??? ???????? ?? ???????? ???????? ?? ????????? ???????? ?????? ?????? ???????? ?????? ???????? ???????? ?????? SS304 ?????? ??? ?????? ????????? ?? ???????? ??? ???????? ?????????? ?????? ??????? ?????????? ???????? ?????? ?????? ??? ???? ?????? ?????? ???????? ????? ???? ???????. ???? ?????? ??????? ???????? ????? ??????? ?????? ???????? ????? ?????? ?? ??????? ????? ?????? ???????? SS304 ?????? ???? ?? ???????? ???? ??????? ????? ?????? ???????????? ??? Shijiazhuang Deye ?? ????? ??????? ?? ????? ???????? ?????? SS304 ?????? ??. ???? ??? ????? ?????? ?????? ?? ?????? ???????? SS304 ???? ?????? ????? ???????? ???????