???? ????? ?? ??????? ???????? ???? ?????? ????????? ????????

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