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

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

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

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

???? ????

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

?????? ??? DI ????? ????? ?? DAMPER CV-H-001 ???????????

?????? ??? ??????? ?? ???? ???????? DN400 ?? ??? ??????? ???????? (CV-W-16)

???? ??? ??????? ?? ???? DI ?? ??? ??????? CV-W-06

?????? ??? ??????? ?? ?????? ????? ?? ???? ????? ????? CV-F-02

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

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

????? ??? ???

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

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

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

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