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

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

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

?????? ??? ??????? ?????? ?? ???? EPDM CV-Z-01

???? ????

?????? ??? ??? ??? ????? ?? ???? ???????? CV-H-10

?????? ??? ?? ???? EPDM ????? ????? CV-Z-01

?????? ??? ????? ?? ?????? ????? ?? ???? SS (CV-R-01)

?????? ??? ????? ?? ???? ???????? ?? ??? CV-A-11

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

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

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

????? ??? ???

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

25 ??????? ???? ?????? ?????? ?????? ?????? ?? ????? ?????? ????? ?????? ?? ????? ????????? ?? ????? ???? ??????. ???????? ???? ?????? ????? ???? ????? ?????? ??????...

???? ??????? ??????? ?? WRAS ????? ?????

?????? ??????? ???????? ?? WRAS ????? ????? ?? ????? ?????? ???????? ???????? ???? ????? ???? ??????? ???? ?????? ??????? ????? ???????? ?????. ?????? ??? ?? ???? ???...