???? ???? ???????: -196 ???? ????? ~ +625 ???? ????? ????????? ????????

?? ??? ?? ???? ??? ?????? ?????? ????? ?????? ?????? ???? ????? ??????? ??????? ?? ???? ??? ???? ?? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ??? ?? ????? ???????? ??????? ?? ???????? ?????????? ????????? ????? ?? ????? ??? ????? ????? ?????? ??? ??? -196 ???? ????? ???? ??? +625 ???? ?????? ???? ????? ???????? ???????? ???? ?????? ???????? ??????? ????? ??????? ?????????? ?? ?????? ?????? ??????. ???? ??? ????? ??? ???? ???????? ????????? ??????? ?? ???????? ???????? ??? ????? ??????? ???????? ?????? ?????? ????????? ?????? ?????????? ?? Shijiazhuang Deye Piping Industry Co., Ltd.? ??? ??????? ?????? ???? ????? ????????? ????????. ?????? ?? ???????? ??? ?????? ???? ?????? ???? ???????? ???????? ????????? ???? ?????? ?????? ???????. ?? ??? ?????? ?????? ???????? ???? ??????? ??????? ?? ????? ??????? ?????? ????