???? ???? OEM ????? ????? API 600 - ???? ????? ???? ??????

?? ?????? ????? ???????? ???????? ???? ???????? ?????? ????? API 600 ????? ?????? ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ????? ?????? ????? ?????? ??? ?????? ???? ????? ????? ?? ??????? ??? ?????? ?????? ?????? ?????????????????? ???????? ??????? API 600 ???? ????? ????????? ???? ????? ??????? ??? ????? ????? ????? ????? ??????? ?????????? ??? ???? ????? ???? ????? ?? ??????? ??????. ?? ???? ?????? ?????? ?? ??????? ??????? ??????? ???????? ????? ?????? ?????? ??? ?????? ??????? ???? ???? ????????? ??????. ???????? ??? ??????? ???????????? ????? ???????? ??????? ?????? ??????? ?????? ????? ??? ???? ??????? ?????? ?????? ?????? ???????. ???? ???????? ??????? ???? ???????? ????? ?????? ???????? ??????? ???????? ??????? API 600. ???? ???? ??????????? ??? ??????? ???????? ???????? ?????? ????????? ?? ?????? ??????? ????? ????? ?? ?????? ???????.