NINGHU STEEL BALL SINCE 1990
Grinding Balls
For Reliable Industry
Research, manufacturing, sales and service for quality wear-resistant products worldwide.
Economic Development Zone
Over 30 Years.Built to Resist Wear.
Anhui Ningguo Ninghu Steel Ball Co., Ltd., is a professional production backbone enterprise of wear-resistant materials with more than 30 years of history, integrating research and development, production, sales and service.The company has been widely recognized by customers and society in its
Discover NinghuConsistent Delivery Starts with Every Process
Standardized melting, molding, heat treatment and inspection help ensure consistency from batch to batch.
The Right Material.
More Reliable Equipment.
Grinding balls, cylpebs, liners and hammer heads selected for equipment design, material properties and operating conditions.

DAYANG · WEAR PRODUCTS
“DA-YANG” Chromium Series Alloy Casting Grinding Balls
Our Casting Grinding Balls have the advantages of high hardness, low breakage rate, strong corrosion resistance, low abrasion, strong impact resistance and good wear resistance, etc., widely used in cement and building materials, thermal power generation, mining and mineral processing, iron and steel chemical industry, alumina industry, silica sand plant, coal chemical industry and other fields.Wear Resistance.At Work in Industry.
Wear-resistant products for chemicals, power, mining, automotive parts, cement and alumina, matched to materials and equipment conditions.
01 / 06Wear Solutions for Mineral Processing
Match wear-resistant materials to ore crushing, grinding and mineral processing conditions.
Over 30 Years.Always Moving Forward.
From Ningguo Steel Ball Factory to automated manufacturing, Ninghu has remained focused on innovation in wear-resistant materials.
Ningguo Steel Ball Factory Founded
Our predecessor began in Shanmen, Ningguo, Anhui, starting a journey in wear-resistant materials.
Ninghu Steel Ball Established
Anhui Ningguo Ninghu Steel Ball Co., Ltd. was established, focusing on wear-resistant materials manufacturing.
Move to Ningguo Development Zone
DAYANG chromium-alloy grinding balls were recognized as a renowned product in the Chinese building-materials machinery industry.
Revenue Exceeds RMB 100 Million
Our business scale and market service capabilities continued to grow.
Automated Casting Line Launched
An automated casting line entered production, expanding manufacturing capabilities.
High-Tech Product Recognition
Our products received high-tech product recognition from the Anhui Department of Science and Technology.
Provincial Technology Center
Our technology center received provincial recognition, supporting continued innovation.
Further Certifications & Recognition
We received recognition for production safety standardization, high-tech enterprise status and a provincial green factory.
Comprehensive Technology Upgrade
Digital and intelligent upgrades covered melting, molten-metal transfer, sand processing and pouring.
Smart Workshop
The intelligent upgrading project was completed in 2026, bringing a new digital workshop for high-performance grinding balls into operation.
Proven Quality.
Confidence, Certified.
Quality management and continuous innovation deliver dependable wear-resistant materials to customers worldwide.
Inside Manufacturing.
Sharing Materials Expertise.
Insights into material performance, manufacturing processes and practical wear-resistant applications.
QUALITY CONTROL · INSIGHTSFrom Hardness to Metallography: Quality Throughout Manufacturing
Comprehensive inspection processes support consistent delivery of wear-resistant products.
