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????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ?????? ?????? ?? ?????? ??????? ???? ??????. ?? ????? ?????? ?????? ?? ?????? ??????? ????? ??? ?????? ???? ????? ????? ?????? ????? ?????? ??? ????? ?????? ??????? ?????? ????????? ????????. ???? ????? ????? ??????? ????? ???? ??????? ?? ???? ????? ??????? ?? ????? ???? ????? ????? ??????? ???????? ??? ???? ????????? ????????. ????? ?????. ???? ????? ?????? ??????? ?????? ????? ?????? ????? ????? ?????? ??? ?? ??????? ??????? ?????? ?????? ?????? ?? ?????? ??????? ?????? ?????? ???????? ????? ?????? ????????? ??????? ??????? ????????. ???? ???????? ?? ?????? ??? ????? ?????? ??????????????? ?????? ?????? ??????? ??????. ??? ???????? ??????? ???? ???????? ???? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ???? ??????? ??????? ?? ??? ??????? ??????. ???????? ??????. ???? ??? ????? ?????? ?????? ?? ?????? ?????? ?? ?????? ??????? ???? ???? ?? ???? ???????
- ???? ??????? BB/WB
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- ???? SS304: ?????? ??? + ???? ??? PTFE: ???? SS: ????? ??? SS: ???? ????? ?? ????? ?????? ?????: 600 ??? ???? ?????: 2 ???? DN50 1/2
- ???? ??????
- ???? ??????? A216wcb
- ???? ??? ????? 4 ????
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- ???? ????? ??????? OS&Y
- ?????? Bspt