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Dong'e Guanyu Steel Ball Co., Ltd. manufactures high-grade chrome, stainless, and carbon steel balls from 1.00mm to 60mm, meeting G10-G1000 standards. Trusted by clients in Germany, Italy, USA, Brazil, and beyond.
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Established in 2013 and located in Dong’e County, Liaocheng City, Shandong Province — the renowned "Steel Ball Country" of China — Guanyu Steel Ball is a leading manufacturer of precision steel balls.
We specialize in chrome steel balls, stainless steel balls (300 & 400 series), and carbon steel balls, with diameters ranging from 1.00mm to 60mm and precision grades from G10 to G1000.
Our products are widely used in deep groove ball bearings and various industrial applications. Thanks to our commitment to quality and customer service, we have built strong partnerships across domestic and international markets, including Germany, Italy, the United States, and Brazil.
Learn MoreHigh-precision steel balls engineered for performance and durability
High-carbon chromium steel balls ideal for bearing applications. Grades G10 to G1000, sizes 1.00mm–60mm.
Corrosion-resistant balls made from high-quality stainless steel. Ideal for food, medical, and marine environments.
Austenitic stainless steel balls with excellent corrosion resistance and non-magnetic properties.
Martensitic stainless steel balls offering high strength and moderate corrosion resistance.
High-strength carbon steel balls for industrial and mechanical applications requiring durability.
Soft, ductile steel balls suitable for applications requiring machinability and weldability.
Hardened steel balls with superior wear resistance and load-bearing capacity.
Non-heat-treated steel balls used in low-stress applications and assembly processes.
High-performance bearings using precision steel balls for smooth rotation and low friction.
Custom steel components, retainers, and accessories for bearing and industrial applications.
Advanced manufacturing, strict quality control, and global reliability
State-of-the-art production lines in Dong’e, China’s steel ball hub.
From G10 to G1000, meeting international standards.
Trusted by clients in USA, Germany, Italy, Brazil, and more.
Rigorous testing for hardness, roundness, and surface finish.
Years of Experience
Factory Area (㎡)
Annual Output (Ton)
*Note: Specific metrics will be updated as official data becomes available.
For inquiries, quotes, or technical support, reach out to us directly.
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