???? ????? Cf8m ???? ?????? ?????? ?? ?????? ???? ?????
??????????? ??? ???????? ???????? ????????. ???? ?????? ???? ??????? CF8M ???? ??????? ?????? ????? ???????? ????? ????? ?? ?????? ?????? ?? ????????? ????????. ?? ???? ??????? CF8M ????? ??? ????? ?? ??????? ??????? ????? ??????? ??????? ??? ????? ??????? ????????? ?? ??????? ?????? ??? ???????? ?????????? ??????? ?????? ?????? ??????? ??????????? ?????? ???? ??????? CF8M ????? ???? ????? ???? ???????? ??? ???? ?????? ?????? ?? ??????? ????? ?????? ?? ?????? ?????. ???? ?????? ??????? ?????? ??????? ?????? ???????? ?????? ??? ???? ????? ?????? ??????? ?? ??????? ??? ????? ??????? ?? ?????? ????? ?? ??????? ??????? ??????? ???????? ???????? ???? ????? ???? ??????? CF8M ????? ??? ?????? ?????????? ??????? ??????. ?????. ???? ??? ????? ??? ???? ??????/????? ?????? ?? ??????? ????????? ??? Shijiazhuang Deye Piping Industries Co.,Ltd. ???? ???? ???? ??????? ?? ?? ???? ?????? ???? ??????? CF8M ????? ??? ?????? ????????? ?? ?????? ?? ??????? ????????. ???? ??? ????? ?????? ?????? ??? ??? ???? ????????? ?? ???? ??????