Li Chunfa, the manager of Feimeng Diamond Zhengzhou Office, shared his insights during an interview: "At present, information plays a vital role in enterprise development. The Second Sanzhan Exhibition is not only a showcase of cutting-edge technology and advanced products in the industry, but also a platform for exchanging industry information, which holds significant importance for the company's future growth. He also praised the positive impact of China's Superhard Materials Network on the development of the superhard materials industry. Following this, both parties had a fruitful exchange on the latest technologies and products, such as diamond micropowder and its coating techniques."
**China Henan Feimeng Diamond Industry Co., Ltd.**
**Henan Feimeng Diamond Industry Co., Ltd. participated in the 2nd Sanmei Exhibition.** The company has adopted advanced technology and equipment, along with strict quality management, and has obtained ISO9002 international certification. While expanding production, Feimeng places great emphasis on technological innovation and new product development. It has a team of experts and owns independent intellectual property rights. The company maintains long-term cooperative relationships with institutions such as Hunan University, Tsinghua University, and the National Superhard Materials and Products Research and Development Technology Center. Its products, including "fine-grained boron-containing diamond" and "bright black high-strength cubic boron nitride," have been recognized as national high-tech products. Feimeng has received the title of High-tech Enterprise from the Henan Science and Technology Department and established the Engineering Research Center of Superhard Abrasive Materials in Henan Province. Over 90% of its products are exported to countries like the U.S., Japan, Germany, and South Korea. The company mainly produces industrial synthetic diamonds, cubic boron nitride, and super-hard abrasive micro-powders for grinding, offering three series with multiple varieties.
**Feimeng Resin Binder Diamond Abrasive**
The PDG series of synthetic diamond is a polycrystalline superhard abrasive used primarily in resin-bonded grinding wheels. Feimeng’s boron-doping technology significantly enhances the bonding strength of the PDG series diamond crystals, improving their retention within the binder. These polycrystalline particles feature irregular shapes and rough surfaces, resulting in superior performance with high grinding efficiency, long service life, and excellent surface finish.
Resin-bonded diamond offers several advantages:
1. Sharp cutting edges that maintain self-sharpening over time. Under consistent grinding force, the subcrystals tend to fracture at their interfaces. As small worn subcrystals detach, new sharp subcrystals form, ensuring continuous cutting efficiency without full detachment.
2. Excellent surface finish due to uniform brittleness, reducing scratches and burn marks on the workpiece.
3. Extended service life, thanks to the rough surface structure that allows better grip by the binder.
4. Reduced internal stress on the workpiece, enhancing its durability.
Resin-bonded diamond is ideal for wet and dry grinding of hard materials. Common binders include phenolic or polyimide resins, with special additives broadening their application range. The optimal match between the resin and the abrasive is crucial for precision grinding, high gloss, and high efficiency.
**Feimeng Cubic Boron Nitride Products**
CBN, or cubic boron nitride, is the second hardest material after diamond and exhibits superior thermal stability. It does not react with iron-based materials, making it ideal for grinding ferroalloys and aerospace materials.
**Superhard Abrasive Powder**
Superabrasive micropowders are widely used in fine grinding, polishing, and super-polishing applications. Feimeng is a leading domestic producer of high-quality polycrystalline diamond, cubic boron nitride, and single-crystal diamond micropowders. With advanced production technology and strict quality control, Feimeng ensures precise particle size distribution, surface roughness, and uniformity. The company uses state-of-the-art instruments like SEM, laser particle size analyzers, and ICP detectors to monitor every stage of production, from crushing to packaging. Feimeng's coating technology for micropowders is also among the best in the industry.




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