?? ????? ???? ??????? PN16 - ?????? ????? ?????? ????????? ???????

??????????? ??? ???????? Idndustrys Co.,Ltd. ???? ???? ????? PN16 ???? ??????? ?????? ?????? ???? ?????? ?????? ????????. ??? ?????? ????? ??????? ????? ?? ????????? ????????? ??? ?? ??? ????? ?????? ???????? ?????? ??????? ???? ????? ?????? ?????? ???? ??????? PN16 ????? ??? ????? ????? ??? ???? ??????? ??????? ?? ???? ?????? ?????? ??? ?? ??????? ?????? ??????. ?? ????? ?????? ???????? ???? ????? ?????? ??????? ?????? ?????? ??? ???? ????? ?????? ???????? ?????? ??? ???? ?????? ??? PN16? ???? ??????? ??? ???? ??? ??????? ?? ??????? ????? ?????? ??????? ??? ????? ?????? ????? ??????????? ????? ???????? ???? ???????? ????????. ???? ??????? ??? ????????? ???????? ????? ??? ????????? ??? ???? ?????? ???????? ????????? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd.? ??? ??????? ?????? ?????? ????? ?????? ???? ???????? ???????. ??? ???? ??????? PN16 ????? ??? ?????? ????? ??? ???????? ??????? ?????????? ?? ???? ???????? ?????????? ????????