????? Ansi 300 Y ????? ?????? ?????? ?????

????? Ansi 300 Y ???? ?????? ???? Shijiazhuang Deye Piping Industry Co., Ltd ?? ????? ?? ?? ????? ???? ?????? ???? ?????? ???????? ?????? ??? ??????? ???? ?? ???? ???????? ?????? ??????? ?????? ??? ??????? ????????? ?????????? ??? ?? ????? ????? Y ??? ?????? ????? ????? ????? ?????? ??? Ansi 300? ??? ????? ??????? ??????? ????? ?? ????????? ????????. ???? ?????? ?? ???? ????? ????? ???? ???? ????? ?????? ?????? ???? ??????? ??????? ??? ????? Ansi 300 Y ???? ??????? ?????? ???? ?????? ?? ???????? ??? ?????? ???? ?????? ?? ??? ??????? ????????? ???????. ??? ????? ????? ??? ???? ?????? ??????? ?????? ?????? ?????? ?????? ??????? ???? ???????? ????????

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

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

???? ????

?????? ??? ?? ???? EPDM ????? ????? CV-Z-01

???? ??? GGG50 CV-W-16

?????? ????? ?????? 600WOG

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

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

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

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

???? ??? GGG50 CV-H-009

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

???? ???? ????? ?? ????? ?????? ???? ?? ?????? ?? ????? ISO5211

? ?????

??? ???? ?? ??????? ??????? ????? ANSI 316

???? ????? ?????? ?????? ??? ????? ??????? API6D

????? ??? ???

?????? ???????? C95800 ??????? ?????? ?? ???????? ?????? ?????. 2020

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

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

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