???? ????? ?????? EPDM ???? ?????? ????? ?????

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

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

???? ??????? ??? ?????? ???????? ?? ???? ???????? PN25 ????? (GV-X-04)

???? ????

???? ????? ????? ?? ???? ???????? ?? ??? (GV-T-21)

???? ????? ?? ???? ????? ?? ?????? ????? ?? ???? ????? (GV-H-20C)

BS5163 ???? ????? ???? ??? ?? ?????? ????? ?? ???? ????? (GV-H-32)

???? ????? ????? ??? ??????? HDPE (GV-A-4)

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

???? ????? ?? ???? WRAS ?? ???? ???????? ????? ????? (GV-Z-1)

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

????? ??? ???

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

???? LCC ??????? ??? ????? SS304 ?????? ?????. 14, 2019 ?????? ?????? ????? ????? ???????? ??? ???? ??????? ???????? ?? ????? ?????????????? ??? ???? ??????? ????????? ??...

????? ?? ?????? SS UNS31803

?????? UNS S31803 ?????? UNS S31803 ???? ???? ??? ????????? ??????? ?????? ?? ????? ?????? ??????? ??????? ?????????? ?? ????? ????????????. ????? ?????? ???? ??????? ??????? ...