???? ????? ???? ????? Api 900# ?????? ??? ???? ?????
?? ?????? ?????? API 900#? ???? ?? ?????? ?????? ???? Shijiazhuang Deye Piping Industries Co., Ltd.? ?? ?? ???? ?????? ?????? ?????? ?? ?????? ?? ????? ???????? ????????. ?? ????? ??? ?????? ????? ???? ??? ??? 900 ??? ??? ???? ?????? ??? ????? ??????? ??????? ????? ?? ????????? ?? ?????? ????? ?????? ??????????? ?????? ??????? ??? ????? ?? ???? ????? ??? ??????? ???????? ???????? ??????? ????? ? ?? ????? ???????? ???? ??? ?????? ?????? ?????? ?????? ?????? ???????? ??? ???? ???? ???? ????? ?? ???? ??????? ??????. ????? ?????? ?????? ???? ???? ?????? ?????? ????? ?????? ?????? ?????? ?? ??????? ???????? ??? ???? ????? ?????? ?????? API 900# ?????? ?????? ?????? ?????? ???????? ??????? ???? ???????? ????????. ???? ???? ??????? ?? ?????? ??? ??????? ?????? ????? ??????? ?? ???? ??????? ?? ???????? ???? ????? ?????? ????? ????? ?????? ????? ???????????? ???? ????? API 900# ?? Shijiazhuang Deye Piping Industries Co., Ltd ??? ?????? ??????? ????????? ???????? ???? ????? ?????? ??????? ??????? ?? ??????
- ????? ??? ????. ? ????? ????? ???? ???? ??????. ? ???? ???? ?????? ?????? ????? ?????? ??????. ? ???? ????? ?? ??????? ?????? ???????? ???? ??????. ? ??? ????? ????????. ? ??????? ?????? ??????
- BW ????? ???? ?????
- ???? ??? 900 ???
- ???? ?????? ??????
- ???? ??????? ?????
- ???? ??????? API
- ????? ??? ??? ??? A126B
- ???? ???? 24 ???? 18 ????
- ???? ??? ?????
- 5a ???? ???????