???? ????? Ss316 ???? ?????? ????????? ????????

?? ???? ?? ???? ????? ????? ????? ????? ???????? ???????? ????? ?? ???? ???? ?? ???? ??????? SS316 ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd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hijiazhuang Deye Piping Industries Co., Ltd. ?????? ??? ?????? ??????? ????? ?????? ???? ?? ??????? ????? ??????. ???? ??? ????? ?????? ?????? ?? ???? ??????? SS316 ????? ??? ???? ???? ?? ???? ??????? ????????