???? EPDM ????? ?????? ???? ???? ??????
???? EPDM ?????? ???? ???? ?? ??????? ?? ??? ???? Shijiazhuang Deye Piping Industry Co., Ltd.? ?? ????? ?? ?? ??? ???? ?????? ???? ?????? ???? ???? ????? ??????. ?????? ?? ???? ????????? ???????? ???? ?????? (EPDM)? ??????? ?????? ??????? ?????? ???????? ??????? ?????? ??? ?????????? ??? ?????? ?????? ?????? ????????? ???????? ?????????? ????? ????? EPDM ??? ?????? ????????? ?? ????? ????????? ??? ???? ?????? ?????? ?????? ??????? ??????? ??????????? ??? ???? ????? ??? ????? ?? ??????. ???? ??? ???? ???????? ???????? ???? ?????? EPDM ?????? ??? ??????? ?????? ?????????? ??????? ??? ????? ????? ?? ?? ?????? ??????? ????????. ?? Shijiazhuang Deye Piping Industry Co., Ltd.? ??? ??????? ?????? ?????? ????? ??????? ?????? EPDM ?????? ???. ???? ???????. ?? ??????? ???????? ?????? ?????? ??????? ???????? ????? ????? EPDM ?????? ??? ????? ?????????? ??????? ??? ?????? ?????? ?????? ????????? ????? ?????? ??
- ?????? ????? ： ????? ???????: API599 API6D ????? ????: ???? ??? ???? ?????? ANSI B16.10 API6D ????? ??????: ANSI B 16.5 ?????: WCB ?? ????? ???????? ???????: A182F6a
- ????? ???? ???? Vavle
- ???? ??????? Cf8
- ???? ??? F53
- ?????? S32750 LR
- ?????? ????? ???? ??????
- ???? ????? 300 ???
- ???? ????? ???
- BW ????? ???? ???????
- ????? ???? ?????