1997—2002
- Categories:History
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- Time of issue:2021-12-24
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1997—2002
(Summary description)Foundation</br>
? Established HENAN SIFANG SUPER HARD MATERIAL CO.,LTD</br>
? Started R&D program for PCD wire die blanks</br>
? Launched PCD wire die blanks</br>
? Obtained ISO 9001 certification</br>
- Categories:History
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- Time of issue:2021-12-24 17:12
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Foundation
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