???? ???? GG25 OEM ?? ??????? ??????? - ???? ??????
???? ????? ??????? GG25 ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ???? ???? ?????? ???? ?????? ?????? ?? ??????? ?? ????? ????????? ????????. ??? ?????? ????? ?? ?????? ????? GG25? ????? ???? ?????? ?????? ?????? ??????? ??? ???? ??? ???? ????. ???? ????? ??????? GG25 ????? ?????? ?? ???? ????? ?????? ?????? ?????? ?? ??????? ??? ????????? ?? ???? ????????. ????? ?????? ???? ????? ??????? ?????? ??????? ????????? ???????? ??? ??? ????? ??????? ?????? ??? ??????. ???? ?????? ?????? ????? ?????? ??? ???? ????? ??????? GG25 ??? ??????? ????????? ??? ????? ?????? ??????? ??????? ????? ?? ??????? ????????. ???? ?????? ??????? ?????? ????? ??????? ?? ???????? ??????? ??? ?? ??????? ??? ????? ?????? ?????? ??????? ???????. ????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ?????? ????? ?????? ???? ???? ?????? ???????. ???? ????? ??????? GG25 ??? ????????? ??? ???? ????? ???????? ?????????? ????? ???????? ?????? ?? ??????? ????
- ???? ??????? ??????
- ????? ??? ????. ? ????? ???? ???? ??????. ? ???? ?????? ??????? ?????? ???????. ? ????? ???? ???????? ??????? ?? ???? ?????. ? ??? ?????? ?????. ? ????? ???? ??? ??? ??? V.
- ?????? ?????: ????? ???????: API599 API6D ????? ????: ANSI B16.10 ???? ??? ???? ?????? API6D ????? ?????: ANSI B 16.5 ?????: ????? ?????? WCB ??????: A182F6a
- ???? ?????? ???? ?????
- ????? ????? ?????
- ???? ????? ????
- ???? ????? Rb
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