Since 1996

Superhard Abrasives Manufacturer

Since 1996, Guantong has been a premium manufacturer of superhard abrasives, specializing in the research and development and manufacturing of diamond and CBN tools, providing customized cutting, grinding and polishing solutions for high-end manufacturing industries worldwide.

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Product Series

Precision Grinding Solutions

Explore our full range of Ceramic, Resin, and Metal bond grinding wheels. Engineered for extreme precision, high efficiency, and exceptional tool life.

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High-Efficiency

Ceramic Diamond & CBN Grinding Discs

A superhard grinding tool specifically designed for precision grinding of automotive engine crankshafts, featuring high hardness, high wear resistance, and excellent thermal stability.

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GRINDING DISC

Resin Diamond (CBN) Grinding Disc

Superior flatness and mirror surface finish up to Ra 0.01-0.05μm. Perfect for optical glass, precision ceramics, and touch screen polishing.

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Decades of R&D & Manufacturing Excellence

With roots dating back to 1996, we leverage nearly 30 years of technical accumulation in the superhard abrasives industry. Our mature production lines and rigorous quality control systems ensure robust, proven, and innovative grinding tools.

Versatile Applications Across Industries

Our customized abrasive tools seamlessly adapt to diverse processing needs. From automotive components (crankshafts, camshafts) and cutting tools to magnetic materials and woodworking, we optimize your specific manufacturing efficiency.

Empowering High-Tech & Advanced Manufacturing

Engineered for the future, our ultra-precision grinding discs deliver sub-micron results. We meet the stringent demands of aerospace, semiconductor manufacturing, optical glass, and consumer electronics (3C) industries.

Ceramic Diamond(CBN)Grinding Disc
Superabrasive Wheels

Resin without core grinding wheel
Cutting Tools

Resin diamond parallel grinding wheel
Conventional Wheels

Ceramic binder around the grinding wheel
Diamond Tools

Ceramic CBN inner round grinding wheel
Others Diamond Tools

New Arrivals

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Optimize Your Grinding Efficiency by up to 300%

Upgrade your production line with Guantong’s superhard abrasive tools. Our CBN and Diamond wheels deliver superior thermal stability, significantly lower grinding temperatures, and extended dressing cycles compared to conventional abrasives. Ideal for high-volume automated manufacturing.

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Our customers are very satisfied with our grinding disc products.

Driving Precision in Superhard Grinding Since 1996

Founded in 1996, Zhengzhou Guantong Super Hard Material Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and global sales of premium Diamond and Cubic Boron Nitride (CBN) tools. Backed by robust technical expertise and strategic partnerships with leading research institutes like the Zhengzhou Abrasives Grinding Research Institute, we deliver custom, sub-micron precision grinding solutions. Our strict quality control systems and state-of-the-art production lines ensure unmatched performance. Today, our highly reliable tools have earned the trust and praise of worldwide clients, significantly enhancing productivity across the global advanced manufacturing sector.

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Our customers are very satisfied with our grinding disc products.
Ceramic CBN Grinding Discs

Auto Parts Manufacturing Industry

“Guantong’s Ceramic CBN Grinding Discs completely transformed our automated production line. Their customized wheels provided excellent thermal stability and significantly reduced our dressing frequency. A truly reliable source factory partner for global manufacturing!”

Mateo Rossi

Global Procurement Manager

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