????? ?????? ?????? ??????? ?????? ??????? Api609 ??????? ??? ????? CE

???? ??????? ????? ??????? API609? ?????? ?? ???? ??????????? ??? ??????? ???????? ????????? ?? ???? ????? ???? ?????? ???? ??????? ????? ?? ?????????. ????? ??? ?????? ?????? ????? ???????? ???? ??????? ?????? ???????? ????? ?? ?????? ??? ?????? ???????? ??? ???? ??????? ????? ?????? ???? ?????. ????? ?????? ?????? ????? ??????? ??? ????? ??????? ????????? ?? ????? ????????? ??? ????? ??????? ???????????????? ??????? ??????? ?????? ??????. ??? ???? ????? ??????? ???????? ?? ?????? ????? ??? ??????? ??? ???? ??????? ?????????? ?????????. ???????? ??? ???? ???? ?????? ??????? ?? ????? API609? ??? ???? ????? ??????. ??? ??? ?????? ?? ?????? ??????? ???????? ????? ????? ???????? ??? ????? ?????? ??????? ?? ??????? ???????? ??????? ???? ???? ???? ??????? ????? ??????? API609 ?? ???? Shijiazhuang Deye Piping Industries Co.? Ltd. ?? ?? ???? ????? ???? ????? ?? ???? ?? ???????? ???? ???.