???? ???? CF8 ???? ?????? ????? ?????? ?????? | ????? ????!

???? ?????? CF8 ?? ???? ???? ?????? ???? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ???? ?????? ??? ????? ?? ??????? ??????? ????? CF8? ????? ???? ?????? ?????? ?????? ??????? ??? ????? ??????? ??????? ????? ?? ????????? ????????? ?????? ???? ?????? CF8 ?????? ????? ???? ???? ????? ??????? ??????? ?????? ?? ???? ??????. ??? ??? ??? ??????? ????????? ??? ???? ????? ?????? ?????????? ?????????. ????? ?????? ?????? ?????? ?? ?????? ??????? ????? ?????? CF8 ??? ????????. ??? ???? ????????? ???? ????? ?????? ?? ??? ???? ???????? ??????? ??????? ?????? ???????? ???? ??? ????? ??? ???? ???? ????? ?? ????? ??????? ???????? ?????? ?????? (HVAC)? ?? ??????? ????????? ?? ????????? ??????? ??? ???? ?????? CF8 ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?? ?????? ?????. ???? ?????? ???????? ???????? ?????????? ????? ???? ???? ????? ?????????. ???? ???? ?????? CF8 ?????? ??? ???? ???? ????? ?????