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