Precision Steel Balls for Global Industry

Surwon Precision Ball Co., Ltd. manufactures high-quality carbon steel, stainless steel, and bearing steel balls for demanding industrial applications worldwide.

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25+
Years of Excellence
500+
Global Clients
50+
Export Countries
Carbon
Steel
Stainless
Steel
Bearing
Steel
Precision
Grades
ISO
Certified
Global
Supply
About Surwon

Precision Engineering Since 1998

Surwon Precision Ball Co., Ltd. is a globally recognized manufacturer of precision steel balls, serving industries from automotive and aerospace to medical equipment and precision instruments. With over two decades of experience, we have built a reputation for consistent quality, technical expertise, and reliable global supply.

Our manufacturing facilities are equipped with advanced production lines and precision inspection systems, ensuring that every ball meets the strictest international standards. We are a trusted partner to procurement managers and OEM buyers across Europe, North America, and beyond.

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Precision Manufacturing Facility
Advanced Production & Quality Control ISO 9001:2024

Our Core Advantages

What sets Surwon apart in the precision ball manufacturing industry.

⚙️

High Precision

Manufacturing tolerances down to G5 grade, ensuring superior performance in critical applications.

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Stable Quality

Rigorous quality control at every stage, from raw material inspection to final testing.

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Global Supply

Reliable logistics and distribution networks serving industrial customers in over 50 countries.

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OEM & ODM Support

Customized solutions for unique specifications, with full technical support and rapid prototyping.

Ready to Source Precision Steel Balls?

Contact our team for technical specifications, pricing, and customized solutions tailored to your application.

Request a Quote

About Surwon Precision Ball

Global expertise in precision ball manufacturing since 1998.

Company Profile

Surwon Precision Ball Co., Ltd. is a leading manufacturer and exporter of high-precision steel balls for industrial applications worldwide. Our commitment to quality, precision, and customer satisfaction has made us a preferred supplier for procurement managers, distributors, and OEM buyers across Europe, North America, and other global markets.

Headquartered in a modern 15,000 m² manufacturing facility, we operate advanced production lines capable of producing balls from 0.5 mm to 50 mm in diameter, across a wide range of materials and precision grades. Our team of engineers and quality specialists works closely with clients to ensure every order meets exacting specifications.

We pride ourselves on our long-term partnerships, responsive service, and ability to deliver consistent quality at competitive prices.

🔹 Precision First
🔹 Quality Driven
🔹 Customer Focused
🔹 Globally Connected
25+
Years of Manufacturing Experience
15,000
m² Production Facility
50+
Countries Served
98%
Customer Retention Rate

Our Global Vision

To be the world's most trusted precision ball manufacturer, delivering engineering excellence and supply chain reliability to industrial customers everywhere.

🌍 Europe
🌎 North America
🌏 Asia Pacific
🌎 South America

Our Product Range

Precision steel balls engineered for critical industrial applications.

Carbon Steel

Carbon Steel Balls

Our carbon steel balls are manufactured from high-quality bearing-grade steel, offering excellent wear resistance, dimensional stability, and cost-effectiveness for a wide range of industrial applications. These balls are widely used in general bearings, conveyors, valves, and locking mechanisms.

  • Diameter range: 0.5 – 50 mm
  • Precision grades: G10 – G100
  • Hardness: HRC 60–65
  • Surface finish: Ra ≤ 0.1 µm
  • Material: AISI 1065 / 1080
  • Applications: Bearings, conveyors, valves
Carbon Steel Balls
Grade G10–G100 · 0.5–50 mm HRC 60–65
Stainless Steel

Stainless Steel Balls

Our stainless steel balls are engineered for superior corrosion resistance and durability in harsh environments. Available in multiple grades including AISI 304, 316, and 420, these balls are ideal for food processing, medical equipment, marine applications, and chemical industries.

  • Diameter range: 0.5 – 50 mm
  • Precision grades: G5 – G100
  • Hardness: HRC 25–58 (grade dependent)
  • Surface finish: Ra ≤ 0.05 µm
  • Materials: AISI 304 / 316 / 420
  • Applications: Medical, food, marine, chemical
Stainless Steel Balls
Grade G5–G100 · 0.5–50 mm AISI 304 / 316 / 420
Bearing Steel

Bearing Steel Balls

Our bearing steel balls are precision-engineered from high-carbon chromium steel (GCr15 / 100Cr6) to deliver exceptional hardness, fatigue strength, and dimensional accuracy. These balls are the preferred choice for high-speed bearings, automotive components, and precision rotating assemblies.

  • Diameter range: 0.5 – 50 mm
  • Precision grades: G5 – G100
  • Hardness: HRC 62–66
  • Surface finish: Ra ≤ 0.04 µm
  • Material: GCr15 / 100Cr6
  • Applications: Bearings, automotive, precision instruments
Bearing Steel Balls
Grade G5–G100 · 0.5–50 mm GCr15 / 100Cr6

Manufacturing & Quality Control

Precision manufacturing processes and rigorous quality assurance at every stage.

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Advanced Production Equipment

Our facility features CNC grinding, lapping, and polishing lines capable of achieving micron-level precision and surface finishes.

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Precision Inspection Systems

We utilize automated optical sorting, laser measurement, and roundness testing equipment to ensure every ball meets grade specifications.

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Quality Assurance Procedures

From incoming raw material inspection to final packaging, our QA system follows strict protocols with full traceability and documentation.

We maintain consistent product performance through statistical process control (SPC), regular calibration of inspection equipment, and continuous training of our quality team. Every batch is tested for dimensional accuracy, hardness, surface integrity, and metallurgical properties.

Industries We Serve

Our precision steel balls are trusted across a wide range of industrial sectors.

⚙️ Bearings
🚗 Automotive
🏭 Industrial Machinery
✈️ Aerospace
🏥 Medical Equipment
📡 Electronics
🔬 Precision Instruments
⚓ Marine & Offshore

Certifications & Quality Assurance

International standards that validate our commitment to quality and continuous improvement.

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ISO 9001:2024

Quality Management System

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IATF 16949

Automotive Quality Standard

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ASTM / DIN Compliant

Material & Dimensional Standards

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ISO 14001

Environmental Management

We are committed to continuous improvement, investing in advanced testing capabilities and staff training to maintain the highest standards of product quality and reliability.

Why Choose Surwon Precision

The partner of choice for procurement managers and industrial buyers worldwide.

🎯

High Precision Manufacturing

We deliver balls with tolerances down to G5 grade, ensuring optimal performance in your critical applications.

📈

Stable Product Quality

Our rigorous quality control and process monitoring guarantee consistent quality across every batch and order.

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Competitive Pricing

Efficient manufacturing and supply chain management enable us to offer excellent value without compromising quality.

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Fast Delivery

With optimized production planning and logistics, we meet tight deadlines and ensure on-time delivery.

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OEM & ODM Support

We offer customized solutions, from material selection to special dimensions and packaging, backed by technical expertise.

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Global Export Experience

With over 50 export destinations, we understand international logistics, documentation, and regulatory requirements.

Global Market Coverage

Supplying precision steel balls to industrial customers across six continents.

🌍 Europe
🌎 North America
🌎 South America
🌏 Asia
🕌 Middle East
🌍 Africa

We have established long-term partnerships with distributors, OEMs, and industrial end-users worldwide, supported by a responsive sales and logistics team that understands local market requirements.

Contact Us

Get in touch with our sales and engineering team for inquiries, quotes, and technical support.

📍 Address

Surwon Precision Ball Co., Ltd.
No. 188 Precision Road, Industrial Zone
Shanghai, China

📞 Phone

+86 21 1234 5678

✉️ Email

info@surwonprecision.com

🕐 Business Hours

Monday – Friday: 8:00 AM – 6:00 PM (CST)
Saturday: 9:00 AM – 12:00 PM (CST)

📍 Google Maps — Surwon Precision Ball Co., Ltd.
Shanghai, China