???? ????? ?????? ????? ???? ?????? ????? ????
???? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ????? ?? ?????? ??????? ????????? ??????? ????? ??????? ???????? ????? ????? ?? ?? ????????? ???????? ????????. ??? ????? ?????? ??????? ????????? ???????? ????? ???????? ????????? ?????? ????? ????? ?????? ????? ???? ???? ????? ?????? ??? ?? ????? ?????? ??????? ????????? ???????? ?????? ????? ???? ???? ????? ?? ?????? ?????? ?? ???????? ??? ?????? ?????? ????????? ?? ????? ?????? ??????????????? ?????? ?????? ?????? ?? ????????. ????? ??? ???????? ?????? ??????? ??????? ???? ?????? ?????? ?????? ????????? ??????? ????????? ???? ????? ?????? ??????? ????????? ???????? ????? ????? ???????? ??????? ????? ???????? ????? ??????? ?????? ????? ?????? ??????? ????????. ?? ??????? ??? ??????? ??????????? ???????? ??????? ??? ?????? ??????? ????????? ???????? ????? ?????? ??????? ?? ??? ????? ?????. ???? ??? ????? ?????? ?????? ?? ?????? ??????? ????????? ???????? ???? ???? ?? ???? ???????
- ??? 150 ??? ANSI
- ?????? ????? ： ????? ???????: API599 API6D ????? ????: ???? ??? ???? ?????? ANSI B16.10 API6D ????? ??????: ANSI B 16.5 ?????: WCB ?? ????? ???????? ???????: A182F6a
- ???? LC1
- ???? ????? C95800
- ????? ???? ???? ????????
- ????? ???? A335/P5
- ?????? ??????? ??????? ??????? EPDM
- ???? ??? ??????
- ???? ????? ?????
- DIN PN16 ???? ??????? ???????