???? ??????? LCC: ??????? ???????? ???????? ????????? ????????

???? ??????? LCC ?????? ?? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?? ???? ????? ???? ?????? ?????? ???? ?????? ??????? ???? ??????? ???????? ?? ???? ???? ????????. ??? ?????? ????? ?? ??????? ???????? ????? ??????? (LCC)? ??? ????? ??????? ????????? ?? ??????? ??? ????? ??????? ??????? ?????? ???? ??????? LCC ?????? ??? ??? ????? ???? ????? ?????? ??? ???? ???? ?????? ?? ?????? ?? . ???? ????? ???? ??? ????? ????????? ??? ???? ??????? ????? ????? ?????? ?? ??????? ???????. ????? ?????? ????? ?????? ?????? ??? ???? ?? ?????? ?? ?????? ??? ???? ????? ????? ???? ??????? ???? ?????? ??????? ????????? ??????? ???? ??????? LCC ??? ??? ???? ???? ?? ?????? ??? ????? ?????? ??????????????? ?????? ??????. ??? ?????? ?????? ?????? ??????? ??? ?????? ??????? ????????? ????????. ???? ????? ??????? ?????? ??????? ??? ???? ??????? LCC ?? ???? Shijiazhuang Deye Piping Idndustrys Co.,Ltd. ?? ?? ????? ?? ?????? ?? ???? ??????? ?? ??????? ????????