???? ????? ?????? ??????? ??? ????? ?????? API 1500 ??? ?????? ???????

???? ???? ??????????? ??? ??????? ???????? ???????? ?????? ???? ??????? ??????? ?????? API 1500 ???? ??????? ???????? ????? ?????? ?????? ??????? ???????. ???? ??? ?????? ????? ??????? API 600 ?API 6D? ??? ???? ???????? ??????? ?? ????? ??????? ????????. ????? ???? ??????? ??????? ?????? API 1500 ??? ?????? ???? ????? ?????? ??? ???? ??????? ??????? ?????? ??? ?? ???? ????? ??????? ??? ???? ????? ?????? ?????? ?? ???????? ??????. ??? ?? ?????? ????? ?????? ??? ???? ??????? ??????? ????? ?? ???? ???? ???????. ???????? ??? ???? ???? ?????? ?????? ??????? ????????? ?? ????? ?????? ????? ????????? ?????? ???? ????????. ????? ?????? ????? ?????? ??? ??????? ???????? ???????? ??????? ????? ???????? ???????? ?????? ??????? ???????? ????????? ????? ?????? ????? ??????? ??? ????? ?????? ??????? ??????? ??? ??? ???? ????? ??? ????? API 1500lbs ?? ???? Shijiazhuang Deye Piping Industries Co.? Ltd. ?? ?????? ?????? ????????? ???????? ??????.