???? ??? ?? ?????? ???? ?????? ?????? ???? ??? ?? ??????? | ????? ????

?? ?????? ????? ?? ??????? ???? ????? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ?? ???? ????? ????? ?????? ???? ?????? ?? ??? ????? ?????? ?? ???? ?????? ??????? ???????? ??????? ?? ??????? ????????. ?? ????? ??? ?????? ?????? ???? ????? ?????? ??????????? ?? ???? ??? ????? ?????? ?????? ??????. ?? ????? ?????? ?? ???? ????? ????? ????? ????? ??????? ??????? ?????? ??????? ??? ????? ??????? ????????? ?? ??????? ?????? ??? ?????. ??????? ???????? ????????? ?????? ????? ???????. ??? ????? ?????? ???????? ?????? ?????? ?????????? ??????? ?????? ?????????? ????? ???? ??????? ?? ??????? ????????? ????? ??????? ?? ?????? ??????? ??????? ????? ????? ?????????. ??? ??? ??????? ????????? ??? ???? ????? ????? ????? ?????? ?? ???????. ???? ????? ??????? ??????? ???? ???? ???????? ?????? ??? ??? ?????? ?????? ??????? ????? ????? ?????? ????? ???????? ????????