????? ????? ???????? ?????? ??????? ???????? ???????? API602

????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ?????? Api602 ???????? ??????? ?????? ????????? ??? ????? ?????? ????? ??????? ????????????????? ???????? ??????? ????? ????????? ??????? ?????? Api602? ??? ???? ????? ??????? ?????? ?? ???? ??????? ??????. ????? ???????? ???????? Api602 ??????? ?????? ?? ??????? ??????? ????? ???????? ??? ?? ??? ??????? ???????? ???????? ??????? ????? ???????? ????????? ?????? ????????? ??????? ??????? ????? ?????? ??????????????? ?????? ??????. ???? ??? ???????? ?????? ???? ????? ???????? ??????? ???? ?? ?????? ?????? ?? ?????????. ?? ??????? ??? ?????? ??????? ???? ???????? ????? ???? ??????????? ?? ??? ??????? ???????? ???????? ?????? ?????? ?????? Api602 ????? ?????? ???? ?????? ??????? ?? ?????????. ????? ???? ????? ?????? ?????? ?? ???????? ??????? ?? ???????? ???????? ???? ??????? ?? ????? ???????.