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??? ??? ?????? ?? ????? ???????? ?????? ?????????? ?????. ????? ????? 25 ????? ?? ???? ??????? ?15 ????? ?? ???? ???? ???????.

Q:

?? ?????? ???? ????? ??????? ??????? (OEM)?

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???? ??? ???? ????? ??????? ??????? (OEM)? ??????? ????? ?? ??????? ????? ??? ????????.

Q:

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???? ??????? ??? ????? ??????? ??? ??????. ??? ?????? ????? ????? ???? ????? ???? ?????? ?????? ???? ????? ??? ??? 1000 ?????? ??? ?????.

Q:

?? ???? ????? ?????? ?? ????? ??? ???????

A:

????? ?????? ISO9001 ?ISO14001 ?TüV


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???? ????????:zhenneng@zhenneng.com
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