NINGBO HUAREN TOOLS CO., LTD.

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Ningbo, Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
General-purpose multiple-cutting edge drill
- Patent number 9,545,676
- Issue date Jan 17, 2017
- NINGBO HUAREN TOOLS CO., LTD.
- Jianing Sun
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR