???? ????? CN7M ???? ?????? ????? ????

?? ???? ??????? CN7M ?? ???? ???? ?????? ?????? ?? ?????? ??????? ?????? Shijiazhuang Deye Piping Industries Co.,Ltd. ??? ?????? ????? ?? ????? CN7M? ??? ????? ?? ????? ????? ????? ???? ?????? ???? ?????? ?????? ?????? ??????? ??? ????? ??????? ??????? ????? ?? ?????????? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ???? ??? ???? ???? ?? ?????? ??? ??????? ???? ???????. ?? ????? ?? ?????? ?? ???????? ??????? ???? ???? ?? ????? ?????? ????? ?????? ????? ????? ??????. ??? ???? ??????? CN7M ???? ???? ???? ??? ???????? ????? ?????? ???????? ?? ??? ?????? ????????

?????? ??? ???

API ????? 20 150LBS ???? ????? ??? ????

???? ????

???? ???? ?? ???? ?? ??????? ??????? ????? 150LBS ????????? ?? ????? ??????? ???????? (BV-40-6SL)

?????? ??? DI ????? ????? ?? DAMPER CV-H-001 ???????????

???? ????? ?? ?????? ????? ?? ??? ????? ISO 5211 (GV-H-T03)

???? ????? SW ?? ?????? ??????? DI ???????? ??????????? (GV-Z-14)

?????? ???? ???? ????????

???? ??? ??????? ??????? ???? ?? ?????

???????? ?????? ?????

???? ????? ?????? EPDM

???? ???? WCB 600LBS BW ?? ??????? ??????? ?? ???? ???? ?? ?????? (BV-600-04W)

??-0600-2F06

???? ?????? ????? ???? ???? ???????

???? ??? ??????? ?? ????? ?????? CVS-0900-24F

???? ????? ?????? ????? ????? 150LBS ANSI

????? ??? ???

??? ?????? BS 1868? API 6D? API 602

???? ???? ????? ???????? ??????? ???? ?? ???? ???? ?????? ??????? ??? ??????? ????????. ???? ?????? ??? ?????? ????? ?????? ?? ????? ???? ??? ????? ?????? ??????. ...

?????? ????? ????? ?????? ???? ??????? ?????? ?????? ???????

??? ???? ?????? ????? ?????? ???????? ?? DN150-2500 ????? ?? ??????? ??? ???????. ????? ?????? ??????? ??????? ?????? ????? ?????? ?????? ????? ?????? ??????? ?? ??????...