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Zhengzhou halnn superhard materials Co., Ltd
From early alloy tool steel to modern superhard materials, every change has greatly promoted the dev...
As a National High-tech Enterprise, a leading manufacturer of superhard materials and products in He...
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The following briefly introduces the advantages and characteristics of diamond single crystal cuttin...
BN-K1 grade is a solid polycrystalline CBN insert specially developed by Halnn tools for high hardne...
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