???? ???? ???? ?????? Ptfe ???? ?????? ????? ?????

???? ????? ????? Ptfe ?????? ?? ???? Shijiazhuang Deye Piping Industries Co.,Ltd. ?? ???? ???? ?????? ???? ??????? ????? ?? ?????????. ?? ????? ??? ???????? ??????? ?????? PTFE? ????? ???? ?????? ???????? ?????? ????? ?????? ?????? ?? ??????? ???????? ??????? ?????? ???????? ??????? ??? ????? PTFE ?????? ?????? ???????? ??? ?????? ??????? ??????? ????????. ??? ????????? ???? ???? ?? ?????? ??? ?????????????? ???????? ???????? ?????????? ??????? ??????. ???? ??? PTFE ????? ??????? ???????? ??? ???? ?????? ?????? ?????? ???????? Shijiazhuang Deye Piping Industries Co.,Ltd. ????? ?????? ?????? ????? ?????? ????? ????? ?????????. ??? ????? ???? ????? ????? Ptfe ????? ??? ???????? ???? ????? ?????? ?????????? ?????? ????? ??????? ??????????. ???? ?????? ???????? ?? ????? ??????? ??? ???? ???? ????? ?????? ????? ??????? PTFE? ??? ?????? ?????? ?????? ????????? ????????

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

???? ???? ???? ???? ??? ????? ??????? ???? 30 ???? DN750 (BV-600-30F)

???? ????

???? ??????? ?? ?????? PN20 ?? ????? U (BFV-1003)

????? / ???? WCB 2500LBS ???? ????? ?? ????? ?????? YC-002500-2.5

???? ?????? ????? FF

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

???? ????? API 150LBS ?? ??????? ??????? ?? NPT (BRZ-GV-02T)

???? ????? ??? ????? 200X

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

???? ????? ????? ?? ???? ???????? ?? ??? (GV-T-21)

API ??????? ???? PV-PN16-12F

???? ???? ????? ????????? ?? ??? ???? (BV-800-3WYN)

???? ?????? ??? ????? ????? 500X

???? ??????? ?? ?????? ????? GV-H-08

????? ??? ???

???? ??????? ???????? (API 600? 602? 603)

?? ?? ???? ???????? ??? ???? ????? ???? ?????? ???? ?????? ??????? ?????? ???? ???????? (?? ?? ????????). ???? ??????? ?? ???? ????? ???????? ??? ?? ????? ?????? ?? ...

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

(1) ???? ?????? ???? ????? ????? ???????????? ???? ??? ?????? ?? ???? ????? ?????? ????? ??????? ???? ??????. ????? ???? ??? ???? ?????. ?????? ?? ????? ????? ?? ??????...