???? ???? API6D ???? ?????? ????? ??? ??????

??????????? ??? ???????? Idndustrys Co.,Ltd. ???? ?????? ???? ????? Api6d ???? ?????? ?????? ???????? ???????? ????????. ?? ????? ???? ????? Api6d ????? ??? ?????? ????? ????? ??? ?? ????? ????? ?????? ????????? ???? ????? ??? ???????? ????? ?????? Api6d? ??? ???? ???? ???? ???? ?????? ?????? ???????. ??? ?????? ???? ???????? ???????? ??????? ?????? ?? ?? ???????? ??????? ???? ??????? ????? ???????? ????? ?????? ??? ?? ???? ????? Api6d ????? ??? ????? ??????? ????? ?? ?????????? ??? ?? ??? ????? ?????? ??????????????? ????????? ???????? ??????. ?? ?????? ?????? ?? ?????? ?????????? ???????? ?????? ????? ???????? ??????? ????? ?????? ????????? ??????? ????????? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd.? ??? ??????? ?????? ?????? ?? ?????? ?????? ????? ????? ?????????. ??? ??? ?? ???? ??? ???? ???? Api6d ???? ??????? ??? ???? ???? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ????? ???????? ?????? ????? ??