???? ???? 5K ???? ?????? ????????? ???????? - ???? ????

?????? ?????? 5K ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ???? ????? ???? ?????? ???? ????? ????? ?? ?? ????????? ????????. ??? ?????? ?????? ????? ????????? ?? ???? ???????? ???? ????? ???? 5K? ??? ????? ??????? ?????? ?? ???? ????? ?????? ?????? ???????? ??????. ????? ?????? ?????? 5K ????? ??? ?????? ????? ????? ??? ???? ???? ?????? ?? ?????? ????? ??????? ?????? ?? ??????. ??? ????? ?? ?????? ?? ??????? ??? ?? ??? ??????? ????????? ???????? ??????? ?????? ?????? ???????? ?????? ???? ??????? ??????? ???????? ????? ???????? ???? ?????? ?????? ???????? ??????? ???? ??? ?????? ?????? ??????? ????? ????? ?????? ??????. ?????????? ??? ?????? ???? ?????? ?? ??? ??????? ?????? ?????? ?? ??????? ????????. ????? ?????? ?????? ?????? ??????? ????? ?????? ?????? ???????? ??????? ????????? ????????? ??? ?????? ?????? 5K ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ???? ????? ??????????? ????? ???????? ???? ????????? ?? ??????? ????? 5K? ??? ???? ????? ??????? ?????? ?????? ?? ?????? ?? ??????? ????????