???? ????? ??? ???/???? ????? ????? ?? CE ?? ???? ??????? - ?????? ????? ??????

???? ??????? 300psi ???? ????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ???? ???? ?????? ?????? ?? ???? ????????? ???????? ????????????? ?????? ???? ??? ???? ???? ??? ??? 300 ???/???? ?????? ??? ????? ??????? ????????? ?? ?????? ??????. ????? ?? ???? ?????? ????? ???? ??????? ??? ??????? ?????? ???????? ??? ????? ??????. ???? ?????? ?????? ??????? ????????? ????? ???? ???? ??????? ????? ?????. ???? ????? ????? ???????? ????? ??????? ??????? ???? ???? ??????? ???? ???? ???? ???? 300 ???/???? ?????? ??????? ????? ?????? ???????? ??? ????? ?????? ??????? ?????? ?? ???? ????? ??????? ???????? ?? ??????? ????????. ????? ???? ??????????? ??? ??????? ???????? ???????? ?????? ?????? ????? ?????? ????? ?????? ????????? ????? ??????? ??? ???? ???? ???? 300 ???/???? ????? ??? ????????. ???? ??????? ????? ????? ????? ??? ?????? ?????????? ????????.