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Premium Grinding Media Solutions

High hardness, superior toughness – engineered for performance in mining, cement, and industrial applications.

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About Ningguo Nanfang

Ningguo Nanfang Wear-Resistant Materials Co., Ltd specializes in producing chromium alloy casting grinding balls, cylpebs, and steel components. Our facility spans 50,000 square meters with an annual output capacity of approximately 30,000 tons.

We operate professional standardized production workshops equipped with automatic intelligent casting lines, oil quenching heat treatment systems, and environmentally clean domestic-leading equipment. Our unique chemical composition ensures the perfect balance between hardness and toughness in every product.

2009
Founded
200+
Employees
50,000m²
Factory Area
100+
Countries Served
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Factory Overview

Our Products

Engineered for durability and performance, our grinding media products are trusted across industries worldwide.

Forged Steel Ball

Forged Steel Ball

High-strength forged steel media ideal for ball mills in mining and cement industries.

  • Diameter: 20mm - 150mm
  • Hardness: HRC 58-65
  • Low wear rate
Tricone Tetrahedral Grinding Media

Tricone Tetrahedral Media

Innovative geometric design for enhanced grinding efficiency and reduced energy consumption.

  • Unique 3-cone structure
  • Uniform size distribution
  • High impact resistance
High Chrome Casting Ball

High Chrome Casting Ball

Premium casting balls with high chromium content for maximum wear resistance.

  • Cr Content: ≥12%
  • Hardness: HRC ≥60
  • Suitable for wet/dry grinding
High Chrome Cylpebs

High Chrome Cylpebs

Cylindrical grinding media offering higher surface area and improved grinding efficiency.

  • Diameter: 12mm - 125mm
  • Length/Diameter ratio: 1.5-2.5
  • Uniform microstructure
Medium Chrome Alloy Ball

Medium Chrome Alloy Ball

Cost-effective solution with balanced hardness and toughness for medium-duty applications.

  • Cr Content: 5-10%
  • Hardness: HRC 55-60
  • Excellent impact resistance
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Custom Steel Components

Tailored wear-resistant parts for specialized industrial machinery and equipment.

  • Custom alloy formulations
  • Precision casting
  • OEM/ODM services
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Laboratory Testing Kits

Comprehensive testing solutions to evaluate grinding media performance and wear rates.

  • Wear rate analysis
  • Hardness testing
  • Impact resistance evaluation
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Bulk Packaging & Logistics

Global shipping and packaging solutions tailored to your operational needs.

  • 1MT jumbo bags
  • Container loading
  • FOB/CIF/EXW options

Advanced Technology

Precision Quality Control

Our R&D team has perfected a unique chemical composition through extensive trial and error, achieving the ideal balance between hardness and toughness.

We utilize state-of-the-art inspection equipment including:

  • Imported Direct-Reading Spectrometer: Ensures precise alloy composition.
  • Rockwell Hardness Tester: Verifies surface hardness consistency.
  • Automatic Carbon Detector: Monitors carbon content in real-time.
  • Falling Ball Test Machine: Simulates impact conditions for durability testing.
  • Metallurgical Microscope: Analyzes microstructure and grain formation.

Certified to ISO9001:2015, ISO14001:2015, and OHSAS18001:2007 standards.

Quality Control Lab

Smart Production Lines

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Vertical DISA Line

Fully automated molding line with computer-controlled processes for mold movement, closing, and sand shooting.

  • High precision casting
  • Reduced human error
  • Increased production speed
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Heat Treatment Line

Automatic oil quenching system with precise temperature control for optimal hardness and toughness.

  • Uniform heat distribution
  • Controlled cooling rates
  • Minimized internal stress
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Smelting Line

Advanced induction furnaces with automated chemical analysis and temperature regulation.

  • Precise alloy mixing
  • Real-time composition monitoring
  • Energy-efficient operation
View Full Equipment Portfolio

Frequently Asked Questions

What are the advantages of high chrome casting balls?

High chrome casting balls offer superior wear resistance, high hardness (HRC ≥60), and excellent toughness, making them ideal for demanding grinding applications in mining and cement industries.

How do you ensure consistent product quality?

We use automated production lines, real-time spectrometry, hardness testing, and falling ball impact tests. Our ISO9001:2015 certification ensures strict quality management protocols.

What sizes are available for grinding balls?

We manufacture grinding balls from 20mm to 150mm in diameter. Custom sizes are available upon request for OEM applications.

Do you offer international shipping?

Yes, we serve over 100 countries worldwide. We offer FOB, CIF, and EXW shipping terms with reliable logistics partners.

Can you produce custom alloy formulations?

Absolutely. Our R&D team can develop customized chromium alloy compositions to meet specific application requirements and performance criteria.

Get in Touch

Contact us for product inquiries, quotes, or technical support.

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Phone

0086-563-4456688

✉️

Email

lorrie@cncastingball.com

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Address

Yinbai Zone, Wangxi Agency, Ningguo City, Anhui Province, China

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