???? ??? ?????? ?? ??????? ??????? ????? ??? 250 ????? ?????? ???????? ????? ??????? ??? ?????. ????? ??? ?????? ?????? ?????? ??????? ????????? ???????? ?? ?????? ?? ?????? ????? ????????? ?? ?????? ?? ??? ?????? ??????? ???????? ??????? ???? ????. ??? ???? ???? ZHENNENG ??? ?????? ???? ???????? ??????? ???????? ????????. ???? ????? ??????? ???? ????? ???????? ???????? ?? ??????? ??????? ????? ??? 250 ????? ???????? ??????? ??? ?????? ????? ???????????.
????? ??? ???? ????? ???????? ?? ??????? ??????? ????? ????? ?????? ???? 250 ??????? ?? ??????? ??????? ???????? ?? ?????? ???? ????????? ?????? ?? ?????? ?? ??????? ????? ????? ?? ??? ????? ?? ???????? ???? ?????????? ???????. ????? ??? ???? ??????? ??? ?????? ??? ???? ???? ?? ????? ?????? ???????? ?????????.
??? ????? ???? ???? ?? ??? ?????? ?????? ?????? ??????? ????? ?? ?????? ??? ????????? ???????.
???????? ?????? ???????? ???????? ???????? ?????? ?? ????? ??????? ??? ????? ????.
??? ???? ?????? ??? ????? ???? ????? ?????? ISO9001 ?????? ???? ??????? ??????? ISO14001.
???????? ????? ????? ????? ??????? ??????? (OEM) ?????? ??????? ???????? ?????? (ODM).




