Sunan & Weijie's 420 stainless steel balls combine magnetic properties with excellent corrosion resistance and optimal hardness (HRC 50–55), delivering durability and dimensional accuracy for demanding industrial use. Suited to bearings, valves, chain wheels, motorcycle components, and petroleum industry applications requiring both precision and long-term reliability. (read more)

High-strength 1085 carbon steel balls with excellent magnetism and wear resistance, ideal for bearings, chain wheels, and precision engineering applications. (read more)

Sunan & Weijie's high-precision glass spheres offer consistent size and finish from 1.5 to 8 mm, in bright or sand-grinding surfaces. The transparent, colorless spheres integrate easily into sprayers, scent bottles, pneumatic tools, decorative designs, and automotive parts, with custom options available. (read more)

Flying saucer polishing balls provide uniform surface finishing and precision polishing for hardware, irregular workpieces, and industrial surface treatment applications. (read more)

High-precision stainless steel balls with diameters from 0.8 mm to 80 mm, manufactured under ISO9002 standards, designed for reliable performance in industrial and mechanical applications. (read more)

Gcr15 bearing steel balls provide high wear resistance and long service life, ideal for bearings, mechanical equipment, and automotive applications under high-load, high-speed conditions. (read more)

Durable carbon and stainless steel grinding balls for precise polishing of hardware and irregular workpieces. (read more)

Sunan & Weijie's flying saucer grinding balls polish hardware with complex or irregular geometries to a consistent, high-quality finish. Choose carbon steel, 201, or 304 stainless steel in standard sizes of 3.5×5.5, 4×6, 5×7, or 7×10 mm, with custom sizes available for tailored finishing results. (read more)

420 stainless steel balls provide corrosion resistance, magnetic properties, and high hardness for bearings, valves, and industrial precision components. (read more)

Our 302 Stainless Steel Balls offer exceptional hardness, anti-rust, and anti-corrosion properties. Ideal for automotive, aviation, bearings, craftwork, and medical instruments, these versatile balls ensure reliable performance in demanding applications. (read more)

Sunan & Weijie's flying saucer grinding balls polish hardware with irregular or non-standard shapes to consistent, high-quality finishes. Made from carbon steel, 201, or 304 stainless steel in standard sizes from 3.5×5.5 to 7×10, with custom sizes available for hardware manufacturing and precision component finishing. (read more)

Sunan & Weijie's flying saucer grinding balls deliver efficient, high-precision polishing for hardware with complex or irregular geometries, including engine components and automotive parts. Available in carbon steel, 201, and 304 stainless steel, with standard sizes Φ3.5×5.5 to Φ7×10 and custom non-standard sizes to fit unique applications. (read more)

Gcr15 magnetic steel balls combine high hardness, excellent wear resistance, and magnetic functionality to support long-lasting performance in bearings, transportation, electronics, and grinding applications. (read more)

Achieve high-efficiency polishing and mixing with versatile stainless steel balls for metals, chemicals, and pharmaceuticals. (read more)

304 stainless steel balls offer excellent corrosion resistance and moderate hardness, ideal for automotive components, home appliances, office automation, valves, and precision devices in medical and chemical industries. (read more)

Magnetic 420 stainless steel balls combine high hardness, corrosion resistance, and precision performance for bearings, valves, automotive components, and industrial machinery. (read more)

Manufactured from H62/H65 brass (62% Cu, 38% Zn), these precision brass balls offer excellent machinability and consistent performance for industrial valves, fluid control systems, automation equipment, instrumentation, HVAC systems, and water treatment applications. (read more)

Sunan & Weijie manufactures precision 316 stainless steel balls with excellent corrosion resistance and durability for valves, medical devices, chemical equipment, and industrial applications. (read more)

Sunan & Weijie 302 stainless steel balls combine HRC ≤28 hardness, wear resistance, and corrosion resistance for bearings, automotive components, valves, pumps, medical instruments, and other precision applications. (read more)

High-hardness, corrosion-resistant 302 stainless steel balls for automotive, aviation, hardware, medical instruments, and precision applications. (read more)

Premium 201/304 hollow stainless steel balls engineered for automotive, home appliance, and office automation applications, offering high strength, corrosion resistance, and customizable dimensions. (read more)

Durable H62/65 brass balls offering excellent strength, corrosion resistance, and easy customization for valves and switches. (read more)

High-precision AISI 1010/1015 carbon steel balls provide cost-effective, reliable, and versatile solutions for bearings, bicycles, chain wheels, and small hardware applications. (read more)

Sunan & Weijie's H62/65 brass/copper balls combine tight-tolerance precision with corrosion resistance and high thermal conductivity, making them a reliable choice for precision bearings, automotive components, electrical connectors, valves, pumps, and aerospace applications. Custom sizes available from an ISO-certified manufacturer with 35+ years of ball-making experience. (read more)

Titanium balls offer a unique combination of lightweight strength, nonmagnetic properties, and superior corrosion resistance. Ideal for aerospace, medical, and chemical applications, they ensure durability and precision in demanding environments. (read more)

302 stainless steel balls with excellent corrosion resistance and stable hardness (HRC ≤ 28), designed for bearings, valves, medical instruments, and general industrial applications. (read more)

High-precision GCr15 steel balls with excellent wear and corrosion resistance, ideal for bearings, machinery, and aerospace components. (read more)

201/304 hollow stainless steel balls providing lightweight strength, corrosion resistance, and dimensional consistency for automotive, appliance, and office automation mechanisms. (read more)

440C stainless steel balls provide exceptional rust resistance, high precision, and impressive hardness, ideal for aviation, petroleum, valves, and critical machinery. (read more)

302 stainless steel balls offer high hardness, corrosion resistance, and durability, making them ideal for automotive, aviation, medical, and industrial applications. (read more)

Sunan & Weijie stainless steel precision balls are available in sizes from 0.8mm to 80mm, offering excellent roundness, wear resistance, and dimensional accuracy. Manufactured under ISO9002-certified processes, they are ideal for bearings, automotive systems, industrial automation, medical equipment, and precision machinery. (read more)

Versatile polishing solution for irregularly shaped hardware, available in carbon steel, 201 & 304 stainless steel, with customizable sizes for specialized applications. (read more)

Lightweight, corrosion-resistant titanium balls offer high strength, non-magnetic properties, and durability, making them ideal for precision bearing applications in machine tools, industrial automation, and robotics systems requiring reliable performance and reduced weight. (read more)

Sunan & Weijie manufactures precision 1045 carbon steel balls with high hardness, excellent wear resistance, and reliable magnetic properties for automotive, bearings, hardware, and industrial applications. (read more)

High-hardness, wear-resistant forged steel balls designed for heavy-duty grinding in mining, cement, and power industry applications. (read more)

Premium H62/65 brass/copper balls from Changzhou Sunan & Weijie Steel Balls Co., Ltd., offering high durability and precision for various applications. (read more)

Durable magnetic 1085 carbon steel balls with HRC 60-66, ideal for bearings, chains, and industrial applications. (read more)

Sunan & Weidy Steel Balls provides custom 201 stainless steel balls with non-magnetic properties, easy machinability, and cost-effective performance for bearings, craftwork, and precision component applications. (read more)

Precision steel balls provide consistent roundness, high hardness, and wear resistance, supporting reliable performance in bearings, valves, and industrial machinery requiring durability and smooth operation. (read more)

201 stainless steel balls combine non-magnetic properties, reliable strength, and excellent machinability, providing a cost-effective solution for automotive hardware and general industrial components. (read more)

316 stainless steel balls offer excellent corrosion resistance and durability, making them ideal for valve systems where reliable sealing and long-term performance are required in harsh and chemically aggressive environments. (read more)

High-hardness, durable forged steel balls providing superior wear resistance for mining, cement, and power generation applications. (read more)

Sunan & Weijie precision brass balls combine excellent machinability, reliable durability, and consistent dimensional accuracy for valves, switches, precision mechanical assemblies, and custom industrial applications. (read more)