????? ???? ?????? ??? ??????? ????? ???? ZHENNENG ????? ????? ????? ??? ????? ?????? ??? ???????. ???? ??? ????? ????? ????? ?????? ?????? ????? ???????. ?????? ??? ???? ??????? ?????? ????? ????? ??????? ??? ?? ??? ???? ???? ???????. ????? ?????? ?????? ????? ??????? ??? ?? ??? ??? ????? ???????? ?????? ?????. ?????? ??????? ????? ?? ????????. ??? ????? ??????? ???? ????? ????? ????? ?? ?????...
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??? ???? ?????? ??? ????? ???? ????? ?????? ISO9001 ?????? ???? ????? ?????? ISO14001.
???????? ????? ????? ????? ??????? ??????? (OEM) ?????? ??????? ???????? ?????? (ODM).
???? ?????? ??? ????? ???? ????? ?????? ?????? ISO 9001 ?????? ???? ????? ?????? ?????? ISO 14001. ??? ???? ??? ??? ?? ?????? ???????? ???????? ????? ???????? ?????????? ??? ????? CCC ??????? ?????????.