SDBALLS | High Precision Ball Products Manufacturer in China

Trusted Precision Ball Manufacturer Since 1990s

Shandong Sdballs Industry Corp Ltd is a professional steel ball manufacturer based in Taian City, Shandong Province, China. With over 30 years of experience, we have established ourselves as a global leader in high precision ball products.

Our two manufacturing plants cover 8,000 square meters and are equipped with over 200 sets of modern, efficient production equipment. We produce more than 5,000 tons of precision balls annually, all exported to international markets due to their competitive pricing and exceptional quality.

Premium Precision Ball Products

We offer a comprehensive range of high-precision balls in various materials, sizes, and grades — from 0.5mm to 150mm — meeting international standards for industrial applications.

Chrome Steel Balls

High durability and wear resistance. Ideal for bearings, automotive, and industrial machinery.

• Material: Chrome Steel (GCr15)
• Size Range: 0.5mm – 150mm
• Grades: G10 to G1000
• Applications: Bearings, wheels, valves

Stainless Steel Balls

Corrosion-resistant options including AISI 420, 440C, 304, and 316 grades.

• Grades: AISI 420A/B/C, 440C, 304, 316
• Size Range: 1/32" to 6"
• Precision: Grade 100 to 2000
• Ideal for food, medical, marine

Carbon Steel Balls

Available in low and high carbon variants. Cost-effective for hardware and industrial use.

• Types: AISI 1010/1015, 1085
• Soft Unhardened & Hardened Options
• Diameter: 0.5mm – 100mm
• Used in toys, tools, valves

Ceramic Balls

Silicon Nitride, Zirconia, and Alumina for high-speed, non-conductive applications.

• Materials: Si3N4, ZrO2, Al2O3
• Non-magnetic & Insulating
• Heat & Corrosion Resistant
• Ideal for aerospace & electronics

Plastic Balls

Lightweight and chemical-resistant. Available in PTFE, Nylon, HDPE, POM, and more.

• Types: PTFE (Teflon), Delrin, PVC
• Colors: Black, white, clear, custom
• Size: 1mm – 100mm
• Used in pumps, toys, seals

Glass Balls

High clarity and smooth finish. Soda-lime, borosilicate, and black glass options.

• Materials: Soda Lime, Borosilicate
• Sizes: 1mm – 80mm
• Applications: Decorative, chemical
• Also available as marbles

Grinding & Polishing Media

High-density grinding balls and satellites for industrial processing.

• Materials: Steel, Ceramic, Glass
• Shapes: Balls, Bicones, Satellites
• Used in mills and tumblers
• Wear-resistant & uniform

Special Steel Balls

Custom-engineered solutions including hollow, threaded, and coated balls.

• Hollow & Threaded Hole Balls
• Plated (Zinc, Nickel, Chrome)
• Rubber Coated & Retainers
• Custom OEM/ODM Available

Other Material Balls

Copper, brass, bronze, aluminum, and tungsten carbide for specialized needs.

• Materials: Cu, Brass, Al Bronze
• Tungsten Carbide (Hard Alloy)
• Aluminum & Phosphor Bronze
• For electrical & marine use

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Why Choose SDBALLS?

Trusted by global partners for quality, service, and innovation in precision ball manufacturing.

ISO Certified Quality

ISO 9002:2000 certified with strict quality control at every stage of production.

Global Export Experience

Products exported worldwide with reliable logistics and after-sales support.

Expert Engineering Team

Professional engineers ensure cost-effective, high-quality production solutions.

Frequently Asked Questions

What sizes of balls do you manufacture?

We produce balls ranging from 0.5mm to 150mm in diameter, including metric and inch sizes, standard, oversize, and undersize options.

Are your stainless steel balls food-grade?

Yes, our AISI 304 and 316 stainless steel balls meet food and medical industry standards for hygiene and corrosion resistance.

Can you provide custom-made balls?

Yes, we offer OEM and ODM services for special shapes, materials, threading, coatings, and packaging.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and size. Contact us for specific details based on your requirements.

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World Leader in High Precision Ball Products