???? ???? CF8M ???? ?????? ????? ?????

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