API 598 ?????? ?????? ???????: ???? ?????? ???????

??????????? ??? ???????? Idndustrys Co.,Ltd. ???? ?????? ???????? ???????? ???????? API598? ???????? ?????? ???? ?????? ??????? ?? ??? ?????? ???????. ???? ???????? ????????? ????? ????? ????????? ????????? ??????? ??????? ?? ????? API598? ??? ???? ???????? ???? ????? ?????? ?? ??????? ????????? ??? ?????? ??????? ???????? ????????? ???????? ??? ?????? ??? ????? ?????? ????? ?? ???????? ???????? ???????? API598 ?????? ????? ????????? ?????????. ???? ??? ????? ??? ?????? ?????? ?? ?????? ?????? ?? ?????? ???? ?? ?? ??? ??? ?? ????????? ?????? ?????? ???????? ??????? ?????? ????????? ??????? ?? ???? Shijiazhuang Deye Piping Idndustrys Co.,Ltd.? ???? ????? ????? ????? ????? ?????? ?????? ????? ?????? ???? ????? ?????? ????????. ?????? ???????? ???????? API598 ?????? ??? ???? ????????? ???? ??????? ?????? ??????? ??????? ?????? ?????? ????????? ???? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ???????? ???????? ??????? API598 ???? ????? ?????? ???