???? ???? ???? ????? SW ?????????? - ????? ????!

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