???? ??? Cf8 ???? ?????? ????? ????? | ???? ????

?? ???? ?????? CF8 ?????? ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ?? ???? ?????? ?????? ?????? ?? ???? ??????? ???????? ?? ????? ????????. ?? ????? ???? ????? ???? ??????? ?? ??????? ??????? ????? CF8? ?????? ???? ???? ????? ?? ????? ????????? ????????. ???? ?????? ?????? ???????? ???? ???? ????? CF8 ???? ?????? ?? ?????? ????? ????? ?????? ?????? ?????? ??? ????? ??????. ??? ????? ????????? ?? ??????? ???????? ??? ????? ?????? ?????? ???????? ??? ????? ?????? ????? ??????????? ?????? ????????. ????? ?????? ?????? ?????? ??????? ??? ?????? ??????? ??????? ???????. ?? ?????? ??????? ???????? ??????? ?????? ???? ?????? ?? ??? ??????? ????? ?????? ????? ???? ??????? ?? ???? ????????? ?????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ?????? ????? ??????? ????? ????? CF8 ??? ????????. ???? ??????? ???????? ??? ??? ?????? ?????? ??? ???? ???? ???????? ???? ????? ????? ?? ????? ???????? ?????? ???