???? ???? ???? ???? ?????? ???? 300 ??? ?????? ?? ?????? ??????
?? ???? ?? ?? ????? ????? ????????? ???????? ???????? ?????? ??? ?? ???? ??? ???? ?? ?????? ?????? ?????? ???? 300 ??? ?? ???? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?? ????? ?????? ?????? ???? ?????? ????? ??? ?????? ???? ??? ????? ?? ?????? ??? ????? ??????? ????? ?? ?????????. ?? ????? ??? ??? ??? 300 ???? ??? ???? ????? ????? ??? ???? ??? ??????? ?? ????? ????? ?????? ??????? ??? ???? ?????? ?????? ????????? ??? ????? ?? ???? ????? ?????? ?????? ??? ?? ????? ???? ????? ????? ??? ????? ????? ????? ?????? ??? ?? ???? ?????? ?????. ?????? ??????. ???? ??? ???? ?? ????? ????? ?????? ?? ?????????????? ?? ????? ??????? ??? ???? ????? ??????? 300 ??? ????? ??? ?? ?????? ??????? ?? ????? ???????? ????? ??? ?? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ???????? ????? ?????? ????? ??????? ???????????. ???? ??? ????? ?????? ?????? ??? ???? ????? ??????? ???? ???? ???? 300 ??? ???? ???? ?? ???? ???????
- ???? ????? ??????? ASTM A216 WCB
- ???? ?????? Nbr
- 2-???? ????
- 150 ??? ???? ????? ???????
- ???? ????? ??????? ???????
- ???? ??????? ??????? ??????
- ???? ????? ????????
- ???? ??? ?????
- ???? ???? ?? ????? ???? ?? Bw
- ???? ???????: -40 ???? ????? ~ +250 ???? ?????? ???? ??????? ?????????? ???? ??????? C95800? ???? ????? ????? ???? ?????? ?????? ???? ?????? ?????? ???? ????? ????? ??????