???? ????? ???? RTJ ?? ????? - ???? ??????? ????????? ????? ??????

???? ???? ??????????? ??? ??????? ???????? ???????? ???? ????? RTJ ???? ?????? ???? ??????? ????? ?? ????????? ????????. ?? ????? ??? ?????? ???? ????? ????? ???? ????? ?????? ????? ?????. ????? ???? ????? RTJ ?????? ???? ?? ??? ????? ????? ????? ??? ?????? ??? ???? ????? ??????? ????????. ???? ?????? RTJ (???? ?? ????? ??????) ??????? ??????? ??????? ??? ????? ??????? ??????? ??? ????? ?????? ?????? ??????? ???????. ?? ????? ??? ?????? ???????? ???? ????? ?????? ??? ??????? ???????? ???????? ??????? ????? ???????? ????????? ??? ????? ??????? ?????? ??????. ??? ????? ?????? ?????? ?????? ????? ???????? ???????? ????????. ???? ?? ???????? ?? ????? ?????? ?? ?????????????? ?? ????? ?????? ?? ????? ?? ????????? ??? ???? ????? RTJ ?? ???? ??????????? ??? ??????? ???????? ???????? ???? ????? ??????? ?????? ???? ?? ??????. ?? ???????? ??????? ???? ???????? ??? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ????? ??????? ?? ????? ????????? ?? ????????