????? ?????? ?????? A234wpb Con ??????? - ?????? ????? ?????? ??????

???? ??????? A234wpb ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ???? ?????? ????? ?????? ?????? ????? ???? ??????? ?????? ??????? ??? ???? ????? ??? ????? ?? ????? ????????. ??? ?????? ??????? ?? ??????? ???????? ????? ?? ???? A234wpb? ??? ???? ?????? ????????? ?? ????? ????????? ????????. ???? ??????? A234wpb ????? ?????? ???????? ?????? ?????? ?????????? ???????? ????????. ???? ?????? ??????? ?????? ??????? ???? ??? ?????? ??????? ?????? ??????? ?? ??????? ??? ???? ?? ??? ?????? ?????? ???????. ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd.? ??? ??????? ?????? ????? ?????? ?? ?????? ?????? ???? ?????? ?????? ???????. ??????? ???? ??????? A234wpb ??? ???? ???? ?? ?????? ??? ??????? ??????????? ?????? ?????? ??????? ?????? ???? ???? ???? ?????? ??????? ???? ?????. ???? A234wpb Con. ???? ????????? ???? ???????? ????? ?? ?????? ????????? ???????? ???? ????? ??? ???? Shijiazhuang Deye Piping Industries Co.? Ltd.