???? ??? ?????? ???? ?????? ???? 1500 ??? ????????? ????????

?? ???? ??? ?????? 1500 ??? ???? ????? ???? Shijiazhuang Deye Piping Idndustry Co., Ltd. ?? ???? ???? ?????? ?????? ???? ?????? ???? ???? ?? ???? ??????? ?? ????? ????????. ?? ????? ??? ?????? ?????? ????? ??????? ????? ??????? ??? ????? ?????? ??????? ?????? ??????????? ???????? ?????????? ??? ????? ?? ???? ?????? ??? ?? ????? ???? ??? ?????? ???? ???? ???? 1500 ??? ????? ?????? ????? ???? ???? ?????. ???? ????? ?????? ?????? ??????? ????????? ??? ???? ?????? ??????????? ?? ???? ??? ??? ??? 1500 ???? ??? ???? ????? ??? ???? ??? ??????? ?? ?????? ?????? ??? ?????? ???????? ????????. ?? ??????? ??????? ?????? ??????? ??????? ???? ??????? ?????? ???????? ??? ???? ??????? ???? ?????? ?????? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ?????? ?????? ?? ?????? ?????? ???? ???? ?????? ???????. ??? ???? ??? ?????? ???? ???? ???? 1500 ??? ?????? ????? ??? ????? ?????? ?? ?????? ????????? ?? ????? ????????