Precision Honing Stones for Industrial Excellence

Yantai Qonly Honing Application Co., Ltd. – Trusted manufacturer since 1997, delivering high-performance honing solutions for hydraulic cylinders, engine liners, military gun bores, and more.

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About Qonly

A legacy of innovation and precision in honing technology since 1997.

Company Profile

Established in 1997, Yantai Qonly Honing Application Co., Ltd. is a professional manufacturer of powerful honing stones. Devoted to comprehensive research in honing technology, our products are widely used in the honing of inner bores of circular tubular products such as engineering hydraulic cylinders, oil field cylinder pumps, coal mine hydraulic props, engine liners, and military gun bores.

With strong technical expertise, advanced production technology, and proprietary formulations, our product quality holds a leading position in China. Our products are distributed nationwide and regularly exported to countries across Asia, Australia, the United States, and Europe.

We are committed to supplying excellent products and sincere service to domestic and international customers in the honing industry.

Quality Leadership

Our honing stones are engineered with advanced formulas and tested for consistent performance, ensuring top-tier results across industries.

Innovation & R&D

Years of dedicated research in honing technology allow us to deliver cutting-edge solutions that meet evolving industrial demands.

Global Reach

Our products are trusted across China and exported to Asia, Australia, the U.S., and Europe, serving diverse industrial sectors.

Our Product Range

High-performance honing stones designed for precision, durability, and efficiency in industrial applications.

MF Series

High-density honing stone ideal for precision finishing of hydraulic cylinder bores.

H70 Series

Optimized for engine liners and high-wear applications requiring superior abrasion resistance.

H50 Series

Balanced formulation for general-purpose honing with excellent material removal rate.

FE Series

Specialized for ferrous materials, offering high thermal stability and long tool life.

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RY Series

Designed for rough honing stages with aggressive material removal and high durability.

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QL Series

Fine-grit honing stone for ultra-smooth surface finishes in precision components.

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QS Series

Superfine honing solution for optical-grade surface finishes in critical applications.

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BH Series

Heavy-duty honing stone for large-bore components in mining and military applications.

Advanced Honing Technology

Precision engineering, innovative materials, and decades of expertise converge in every Qonly honing stone.

Proprietary Formulations

Our unique binder and abrasive compositions ensure optimal performance, longevity, and surface finish quality.

Wide Application Range

From hydraulic cylinders to engine liners and military gun bores, our stones adapt to diverse industrial needs.

Consistent Quality Control

Each batch undergoes rigorous testing to maintain dimensional accuracy and performance standards.

Global Export Ready

Products meet international standards and are regularly shipped to markets in Asia, Australia, the U.S., and Europe.

Customization Available

We offer tailored honing solutions based on specific bore sizes, materials, and surface finish requirements.

Technical Support

Our team provides application guidance, troubleshooting, and performance optimization support.

Latest Industry Insights

Stay updated with trends in superhard materials and honing technology.

Company News • Nov 20, 2019

The 12th Five Year Plan of New Material

China's strategic focus on advanced materials continues to drive innovation in superhard abrasives and honing applications.

Industry Dynamics • Nov 20, 2019

Selection of Binder for Superhard Abrasives

Choosing the right binder system is critical for thermal stability, wear resistance, and overall honing performance.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to connect with the Qonly team.

Phone: 0086-535-6837659

Email: [email protected]

Address: Dongxing Road, Dongting Industrial Park, Fushan District, Yantai, Shandong, China

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