???? ?????? API598 ?? ????? CE - ?????? ???? ??????

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