???? ????? B62 ???? ?????? ????????? ???????? | ????? ????

??????????? ??? ???????? ???????? ????????. ????? ?????? ???? ??????? B62 ???? ??????. ?? ????? ?????? ??????? B62 ?????? ??? ?????? ????? ????????/??????? ?? ?????? ????? ?? ???????? ??? ?? ??? ????? ??????? ??????? ??????? ????????? ??????????. ?? ????? ???? ??????? B62 ????? ??? ?????? ?????? ?????? ???? ??? ?????? ?????? ???? ?????? ???? ?????? ?????? ?????? ?????? ???? ?????. ?? ????? ?????? ?? ???? ???? ????? ???? ????? ????? ??????? ???????? ??? ???? ??????? ??????? ?? ?? ????????? ????????? ?????? ???? ??????? B62 ????? ??? ?????? ?????? ??????? ??? ?????? ??????? ??????? ????????. ?? ???????? ??????? ?????? ???????? ?????? ??????? ???? ?????? ???? ???? ???????? ???? ?????? ?? ???? ??????? ?? ???? ???????? ????????? ?? Shijiazhuang Deye Piping Industries Co.,Ltd.? ??? ??????? ?????? ?????? ????????? ???? ?????? ??????? ??????? ??????? ????????. ???? ??? ?????? ??? ???? ?? ????????? ??? ???? ??????? B62 ??????? ???????? ?????? ????? ??????