Our Location
304 North Cardinal St.
Dorchester Center, MA 02124
About Us
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.
Comprehensive Abrasive Products & Industrial Applications
We engineer a full spectrum of high-performance tools, including **Ceramic and Resin Bond Diamond/CBN Grinding Discs, Double-sided Grinding Wheels, and Peripheral Grinding Wheels**. Known for their exceptional wear resistance, brilliant thermal stability, and ultra-high precision (surface finish up to Ra 0.01μm), our products are widely applied across demanding industries. From machining air conditioning compressors, automotive camshafts, and cemented carbide tools, to polishing precision ceramics, magnetic materials, and optical glass—we tailor the abrasive matrix to perfectly match your non-standard processing requirements.
Why choose us
20+ Years Source Factory
Founded in 1996, we offer direct factory pricing, mature production lines, and nearly three decades of R&D expertise in the superhard abrasives industry.
Sub-Micron Precision
Our custom wheels deliver outstanding surface finishes (up to 0.1μm accuracy) and shape retention, meeting the strictest aerospace and auto manufacturing standards.
Uncompromising Quality Control
From raw materials to final shipment, we employ a rigorous inspection system to guarantee consistent stability, extended tool life, and minimized downtime.
Non-Standard Customization
Supported by top research institutes, our engineering team tailors the bond type and grit size exactly to your specific machine and workpiece metallurgy.
Witness the robust performance and aggressive material removal of Guantong’s custom grinding discs in action. Trusted by global manufacturers, our tools consistently lower grinding temperatures and can double the dressing cycle compared to conventional abrasives. “Guantong’s Ceramic CBN wheels completely transformed our automated production line with zero micro-cracks and flawless mirror finishes,” reports a leading European auto parts client. Partner with us for reliable, high-efficiency machining.
Trusted by Global Industry Leaders
