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

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

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

GGG40/GGG50 ???? ??????? ??????? ?????? ?? ?????? (BFV-1008)

???? ????

???? ???? ?? ????? ????? ????? 1500LBS GVF-001500-N

???? ??????? ???????? ?? ?????? ??????? GVF-00150-F

???? ???? ?? ????? ???????? ????? ??????? ?? ???? ???? ???? (BV-FW-25)

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

???? ????? ?? ???? GGG50 ????? BFV-1011

??????? ?????? ????? ?????? ?? ??????? ??????? ????? ??? ???????? PF-D-12

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

???? ??? GGG50 CV-H-002

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

WP91 ??????? ?????? ?? ????? ????? PF-A-08

GGG50 ?????? ??? ????? ?? ??????? ??? CV-H-001-1

API600 BS1837 150LBS LCB ???? ???? (GVC-001500)

A105 ???? ??????? 800LBS ?? ??????? ??????? GVC-0800-1

????? ??? ???

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

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

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

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