???? ?????? ??????? ????????? – VAVLE ????? ?????? ?????? ???????

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