???? ??????? 125/250 ??? ??? ???? ????? - ???? ?????? ?? ????? ?????? ????????? ???????

???? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ???? ????? ???? ?????? 125/250 ??? ??? ???? ????? ???? ????? ????? ????? ?? ????? ????????? ????????. ?? ????? ?????? ??????? ????? ????? ?????? ??????? ???? ??? ??? 250 ??? ??? ???? ?????? ??? ?????? ?????? ????????? ?? ??????? ??????? ????? ?????? ??????? ?????? ???????? ?? ???? ?????? ????? ????? ????? ?????? ???? ???????? ?????. ???? ??????? 125/250 ??? ??? ???? ????? ????? ?????? ?? ???? ??????? ???????? ?? ???? ????????? ??? ?? ????? ?????? ????? ??????? ??????? ????? ?? ????????? ??? ?? ??? ????? ?????? ????????? ?????????? ??????? ??????? ??? ?? ????? ?????? ??????? ????? ??? ??????? ?????? ?????? ?????? ????????? ??? ???? ?????? ?????? ???? ?????. ???? ??????? ??? ????????? ???????? ?????? ??? ?????? ??????? ?????? ??? ?????? ??????? ?? ?????? ?? ???? ??????? ??????? ?? ??????? ???????? ??????. ???? ??????? ?? ????? ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ??? ?????? ????? ????? ?????? ???? ???????? ????? ????? ???? ????????? ???????