???? ???? CN7M ???? ?????? ????????? ???????? | ????? ????
?????? ?????? CN7M ?????? ?? ???? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ???? ???? ?????? ?????? ?????? ??????? ????? ?? ?????????. ????? ?? ????? CN7M? ??? ?????? ????? ?????? ???????? ??? ????? ?????? ??????? ???????? ??? ???????? ?????????? ?????? ?????? ?????? ??????. ????? ??? ?????? ?????? ?????? ???? ????? ??? ???? ?????? ???? ???? ????? ????? ?????. ??? ?????? ?? ?????? ?????? ?? ??????? ???????? ????? ?????? ????????? ??????? ??????? ????????. ?? ????? ?????? ????? ?????? ???????? ?? ???? ????? ???? ???????? ?????? ??????? ??????? ???????? ??? ???? ?? ????? ?????? ?????? CN7M ????? ???? ?????? ?? ???? ????? ?????? ???? ???? ??????? ???????. ???? ????? ????? ?????? ??????? ???????? ??? ??? ?????? ?????? ??????? ?? ?????? ?? ?????? ?? ????????? ??????. ???? ????????? ?? ??????? ??????? ?????? ?? ????? ????? ??????? ??? ?????? ?????? CN7M ?? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ?? ???? ???????? ???? ?????
- ??????? NPT
- ???? ??????? ??????? ??????
- ???? ??????? C83600
- ??? S31803
- ?????? ????? ????
- ?????? ????? ： ????? ???????: API599 API6D ????? ????: ???? ??? ???? ?????? ANSI B16.10 API6D ????? ??????: ANSI B 16.5 ?????: WCB ?? ????? ???????? ???????: A182F6a
- ???? ?????? ??????
- ???? ????? ????????
- ????? ?? ????? ?????????
- ???? ??????? C95800