???? OEM ??????? ????? API 1500# BC ??????? - ???? ????? ??????
???? ????? API 1500# BC ???? ????? ???? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ???? ???? ?????? ?????? ?? ???? ??????? ????? ?? ????????? ?????????????? ???? ????? ??? ????? ??????? ???? ??????? ???????? (API)? ??? ????? ?????? ???? ?????? ?????. ???? ???? ????? BC ??? ????? ????? ????? ??????? ?????? ??? ?????? ?????? ?? ???? ???????? ???????? ??? ???? ????? ?????? ??????. ????? ????? ?????? ????? ?????? ?????? ?????? ??? ????? ?????? ??????? ?? ???????? ???????? ??????. ????? ?????? ?????? ??????? ???????? ????????? ??? ?? ????? ???? ?????? ????? ???? ??????? ???????? ????? ?????? ??????????????? ?????? ?? ????????? ????????. ?? ??????? ??? ??????? ??????????? ???? ???? ??????????? ??? ??????? ???????? ???????? ???? ??? API 1500# BC ??????? ??????????? ???? ???????? ???????? ???????? ???????.
