???????? ?????? Y ???? ???? ????? ?? ?????: ???? ??? ???? ????? ?????

???? Y-1 ???? ?? ???? ???? ?????? ????? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ?? ????? ???? Y-1 ???? ?????? ???????? ??????? ?? ???????? ??? ???? ?????? ????? ??????? ?? ????? ???????? ????????. ???? Y-1 ???? ????? ?? ???? ?????? ??? ????? ??????? ????????? ?? ?????? ????? ?? ????????? ????????. ????? ?????? ????? ???? ???? ?????? ??????? ????????. ????? ??? ?????? ???? ???? ???????? ?????? ??? ???? ??? ???? ???? ?????? ???????. ??? ???? ????? ???? ?????????? ???? ??????? ???????? ?????? ???????? ????? ???????? ??? ??????. ???? ??????? ?????? ????? Y-1 ???? ?????? ???? ????? ????????? ??? ????? ????? ???? ??? ???? ??????. ?? ?????? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ??????? ???? ???????? ????? ?? ???? ?????? ?? ??????? ??????? ??? ??????.

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

????? ??? ??? ??? Y

???? ??????

???? ???? ????? ????????? ?? ??????? ??????? ????? 300 ??? ?? ????? ??? ????

???? ???? ????? ????????? ?? ??????? ??????? ????? 300 ??? ?? ????? ??? ????

???? ???? ???? ????? ?? ??????? ??????? ????? ???? ???? 300 ??? (BV-300-01F)

???? ???? ???? ????? ?? ??? 2500 ??? ????????? ?? ????? ??????? ?????? (BV-02500-2F)

???? ????? ???? PN160 ?? ??????? ??????? ?????? WCB GVC-00160-12

???? ???? ?????? ?? ??? ?? ??? ?????? BRZ-BV-01

???? ??? GGG50 CV-Z-01

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

???? ????? ??? PV-0150S-1F

???? ??? ???? ????? A216 WCB ?? ANSI B16.34

???? ????? API PV-150-1-1-2W

???? ??????? ??????? MBV-0300-12W

???? ??????? BFV-1004 LUG

???? ??????? ????????? BFV-1001

????? ??? ???

???? ??????? ?????? ?????????? AWWAC504

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

?????? ?????? ????? ???? ??? ?????? WRAS

???? ????? ?????? ?????? ??? ???? ?????. ???? ?? ??????? ?? ????? ?????? ?? ????? ?????? ?????? ??????? ???? ???????. WRAS? ??? ?????? ?? Water Regulations Ad...