????? ??? MSS SP-43: ?????? ?????? ????? ?????? | ?????? ???????
??????????? ??? ???????? ???????? ????????. ???? ?????? ?????? MSS SP-43 ????? ?????? ?????? ????????? ????????. ?? ????? ????? ??? ????? ?????? ????? ??? ?????? ?? ????? ????????? ??? ???? ?????? ??????? ????????. ?????? ?? ???? ????? ??????? ??? ?? ????? ??? MSS SP-43 ?????? ??? ?????? ??????? ??? ???? ??? ???? ???? ????? ?????? ?? ??????? ???????. ??? ?????? ?? ?????? ?? ??????? ?????????? ?????? ???????? ???????? ????????? ?? Shijiazhuang Deye Piping Industries Co.,Ltd.? ???? ???????? ????? ?????? ???? ???????. ????? ?????? ?????? ?????? ?????? ???? ???????? ??????? ??????? ?????? ???????. ???? ??? ????? ??? ????? ?????? ????????? ?? ???????? ?????????? ?? ????? ?????? ?? ????? ?? ????????? ??? ???????? ??? ?????? ???????? ???? ???? ????? ????? ???????? ???????? ????????? ??? ?? ????? ????? ??????? MSS SP-43 ?????? ??? ???????? ?? ?????? ????? ???? ??? ??????. ???? ??? ????? ?????? ?????? ?? ???????? ????? ?????? ???? ???? ?? ???? ???????