???? ???? ????? ???? ?? ?????? ????? - ???? ???? ????

???? ???? Shijiazhuang Deye Piping Idndustrys Co., Ltd. ???? ????? ?? ?????? ????? ???? ?????? ???? ????? ????? ?? ?? ????????? ???????? ????????. ?? ?????? ??????? ???????? ?? ?????? ????? ????? ?????? ?? ???? ????? ??????? ??? ???? ??????? ??????? ???? ?????? ??? ?? ????? ???? ??????? ???????? ?? ?????? ????? ?????? ?? ???? ??????? ???????? ???? ????? ??? ?????? ?????? ????????? ?? ???? ???????? ?????? ????? ??????? ????? ?????? ??????? ????? ?? ???. ??? ????? ????? ???? ????? ?????? ?????? ??????? ??? ????? ??????? ????????? ?? ??????? ??????. ????? ???? ??????? ??????? ?? ?????? ????? ?????? ?????? ???????? ??? ?????? ????????? ??????? ????????. ??? ?? ?????? ?????? ???????? ??????? ????? ???????? ?????? ?????? ??????? ????? ???? ?? ????? ?????? ?? ??????? ??? ??? ???????? ????? Shijiazhuang Deye Piping Idndustrys Co., Ltd. ?????? ?????? ?? ?????? ?????? ????? ??????. ???? ??? ????? ?????? ?????? ?? ???? ??????? ?????? ????? ????? ?????? ?????? ?????????? ???? ??????

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

???? ????? ?? ?????? ????? VH-11

???? ????

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

???? ??????? ??? ?????? ???????? ?? ???? ???????? PN25 ????? (GV-X-04)

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

ANSI 150LBS ???? ????? NRS ?? ?????? ????? (GV-H-05)

???? ??????? ??????? ANSI ?? ?????? ????? GV-H-AF06

???? ????? RS ?????? ?? ?????? ????? ANSI GV-H-AF03

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

????? ??? ???

?????? ?????? Valve World Expo

??? ????? ???? Valve World Expo Asia ???? ??? ?? ???????? ???? 26 ?27 ??????? ??? ??????? ???? ??? ???? ?? ??????? ?? ??????? ??? ???? ??????? ??????? ?????? ??? ?????. ?????? ????? ...

?????? ????? ????? ??????? ????? DN2200

?????? ??????? ??????? (?????? ?????) ????? ????? ????? ???? ??????? ??????? ??????: AWWAC504 ????? ????: AWWA C504 ??? ????? ?????? PN10 - FLANGE ASME B16.1 CLASS 125 ?????:...