???? ????? C83600: ???? ????? ????? ???? ?????????

?? ????? ???? ??? ?????? C83600 ?????? ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?????? ???? ????? ?? ?????? ?? ????? ???????? ????????. ???? ????? ???????? ??? ????? ????????? ?? ?? ?? ????????? ??????? ?????????? ????? ???? ?????? ????? ????? ???? ?????? ?????? ????? ?????? ?????? ???? ??????? ??? ????? ?? ???? ????? ?????? ?????? ?????? ??? ?? ????? ???? ????? ??? ?????? ????? ???? ????? ????? ??????? ???????? ??? ????? ?????? ???? ???????? ???? ??????? ????? ?? ????????. ?????? ???????? ?????? ????? ??????? ????????? ?? ??????? ?????? ?????? ??????? ??? ???? ???? ????? ?? ??????? ???????? ?????? ???? ????? C83600 ?????? ???????? ?????? ?????? ????????? ??????? ?????? ???????? ????????? ??? ???? ??????? ??????? ???????. ???? ????? ??????? ?? ?????? ??????? ??? ???? ????? ??? ???? ?????? ?? ??? ??????? ????? ?????? ????? ??????? ?? ?????? ?? ????? ????????