??? SS316L ???? ?????? ??????? ????? ??????

????? ??? SS316L ???? ?????? ?? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ??? SS316L ????? ??? ????? ?? ??????? ??????? ????? ??????? ??? ???? ?????? ?????? ?????? ?????? ?????? ????????? ????????? ??? ?? ????? ??? SS316L ????? ??? ?????? ???? ??? ???? ??????? ???????? ??????? ?????? ?? ????? ????????. ???? ?????? ????????? ?? ?????? ??? ???????? ?????????? ?????? ?????? ???????? ???????? ?????????? ????? ?? ???. ?? ??????? ??????? ??????? ??????? ???? ????? SS316L ????? ??? ??????? ????? ??????? ?? ????? ????????? ??? ???? ?? ????? ????????? ????? ????? ????????. ??? ?????? ?????? ???????? ?????? ?????? ?????????? ???????? ????????? ?? Shijiazhuang Deye Piping Industry Co., Ltd.? ??? ??????? ?????? ?????? ?? ?????? ?????? ???? ?????? ?????? ???????. ?? ????? ??? SS316L ????? ??? ???? ????? ??????? ???? ????? ????? ?????? ??????????? ???? ??? SS316L ????? ??? ?????? ???????? ???????? ?????? ?? ??????? ?????? ????? ?? ?????? ???????