Tai’an, China – April 2, 2025 – Shandong Gangyan Grinding Ball Co., Ltd., a global leader in grinding media solutions since 1994, will showcase its revolutionary Eco-Chrome Series grinding balls at the upcoming EXPOMIN 2025 in Santiago, Chile. This breakthrough technology promises to redefine efficiency standards for copper and gold mining operations worldwide.
Industry-Changing Innovation

The newly developed Eco-Chrome Series grinding balls feature the following cutting-edge improvements:
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22% Longer Lifespan: The Eco-Chrome grinding balls offer a significantly longer lifespan, reducing the frequency of replacements and enhancing productivity. 
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Hardness up to HRC 63 (verified by TÜV Rheinland): Designed for high performance, these balls provide superior hardness, ensuring greater durability and resistance to wear in tough mining environments. 
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30% Lower Breakage Rate: The Eco-Chrome balls boast a 30% reduction in breakage rate compared to conventional high-chrome balls, ensuring smoother operations and minimizing downtime. 
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Energy-Saving Performance: With a 15% reduction in mill power consumption, the Eco-Chrome balls enhance energy efficiency, contributing to more sustainable mining operations. 
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Codelco-Approved Performance: The performance of the Eco-Chrome Series has been certified by Codelco, the world’s largest copper producer, after successful field tests. 
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REACH-Compliant Composition: The Eco-Chrome Series meets the 2025 EU regulations, with a chromium content below 0.8%, ensuring compliance with environmental standards. 
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Fully Recyclable Materials: These grinding balls are made from fully recyclable materials, aligning with the industry’s push for sustainable mining practices. 
Technical Highlights
| Parameter | Eco-Chrome Series | Industry Standard | 
|---|---|---|
| Hardness (HRC) | 62-64 | 58-60 | 
| Impact Value (J/cm²) | ≥18 | ≤15 | 
| Roundness Tolerance | ±0.3mm | ±0.5mm | 
Market-Ready Solutions
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Stock Availability: 5,000 MT of Eco-Chrome grinding balls ready for immediate shipment, ensuring quick delivery to meet customer needs. 
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Custom Sizing: Available in sizes ranging from Φ70mm to Φ125mm, optimized for SAG mills, making them suitable for various mining operations. 
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Technical Support: Our multilingual engineers are available 24/7 to assist with product inquiries and ensure a smooth implementation of Eco-Chrome grinding balls into your operations. 
EXPOMIN 2025 Participation
Visit us at Booth #D-215 to:
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Witness live product demonstrations: See the Eco-Chrome Series grinding balls in action and experience their performance firsthand. 
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Receive free sample testing kits: Get 50kg sample kits to test the performance of Eco-Chrome balls in your own mills and operations. 
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Get an exclusive whitepaper: Download our “2025 Grinding Media Optimization Guide”, offering valuable insights into maximizing grinding efficiency and reducing operational costs. 
Contact for Pre-Show Meetings:
To schedule a meeting with our team before the event:
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📧 Email: bbsgx@163.com 
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📱 Phone/WhatsApp: +86 151 6380 0896 (WhatsApp/WeChat) 
