What is the minimum order quantity?

The minimum order quantity is 200 KG.

What is the material composition of the copper balls?

The copper balls are made of 99.9% copper with less than 0.005% lead, ensuring high purity and non-magnetic properties.

How are the copper balls packaged?

Standard packaging is 10kg or 20kg per carton, with 1 ton per pallet, or as required by the customer.

Excellent Workmanship 5/16" G20 Copper Balls

Name: Excellent Workmanship 5/16" G20 Copper Balls
Brand: Changzhou Huari Steel Ball Co., Ltd.
SKU: 1975583061

Jiangsu, ChinaChangzhou Huari Steel Ball Co., Ltd.

US$0.10

1,000-9,999 Pieces

US$0.01

10,000-999,999 Pieces

US$0.001

1,000,000+ Pieces

Product profile

Customization

Available

Customized

Certification

ISO, SGS

Model NO.

5/16" G20

Standard Parts

Yes

Universal

Yes

Type

Bearing Ball

Material

Copper

Size Range

0.5mm-60mm

Materical

C1100 Copper Balls T1/T2/T3

Application

Special Valves, Industrial Pumps and Valves, Elect

Surface

Polish, Gold Costed, Aluminum with Others

Brand Name

Suhua

Sample

Sample Available Before Order

Delivery Time

Stock of 7 Days or Around 35 Days

Packaging

Standard

Production

300 Tons Per Month

Structure

Solid Copper Ball

Transport Package

Box, Plastic Bag, Steel Drum

Specification

Trademark

SUHUA

Origin

China(Mainland)

HS Code

73269086

Production Capacity

5000 Tons/Year

Key features

Customization Options: Supports full customization, minor customization, and flexible customization from samples or designs.

Wide Size Range: Available in sizes from 0.5mm to 60mm to meet diverse application needs.

High Purity Material: Made from 99.9% pure copper (C1100 T1/T2/T3) ensuring excellent conductivity and corrosion resistance.

Multiple Certifications: Holds ISO 9001, IATF 16949, ROHS, SGS, and BV certifications for quality assurance.

Fast Stock Delivery: Stock items can be delivered within 7-15 days after order confirmation.

Free Sample Availability: Free samples provided when in stock; customer only pays shipping fees.

High Production Capacity: Monthly production capacity of 300 tons ensures sustainable supply for large orders.

Long Experience: Over 30 years of manufacturing experience in copper and brass balls.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedExhibition Experience

Changzhou Huari Steel Ball Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤10.19h

AI-Powered supplier vetting

SummaryChangzhou Huari Steel Ball Co., Ltd. is a limited company and a manufacturing-and-trading group focused on steel balls, bearings, bicycle and electrical bicycle parts, and industrial tools. The supplier reports two production plants, more than 400 production equipment sets, 60 testing equipment sets, written procedures for finished-product inspection, corrective actions, and customer complaints, and valid import/export licensing. It provides OEM, ODM, and broad customization services, with new products reported in the past year. Export experience is stated as 15 years, with 51%–70% of sales from exports. However, the evidence does not establish certifications, financial strength, or specific customer cases. It also lacks an overseas warehouse, overseas showroom, and SDK availability. Overall, the supplier demonstrates documented operational, customization, export, and service capabilities, but several requested areas remain unverified.

Supplier typeThe supplier is identified as a limited company and a trade company located in Wujin District, Changzhou, while its description states that it combines innovation, manufacturing, and trading and operates two production plants. This indicates a manufacturing-and-trading business structure rather than a purely trading entity.

After-Sales capabilityThe supplier reports clear procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. These records provide explicit evidence of a structured after-sales issue-resolution process.

R&D capabilityThe supplier reports R&D capability, new products within the past year, 3D software design services, ODM availability, and a history of innovation and manufacturing. However, it does not have an available SDK; this limits evidence for SDK-based development but does not negate the broader documented innovation capability.

Production capacityThe supplier reports valid manufacturing-capacity contracts with associated subcontractors, inventory capability, multiple specialized facilities, standardized finished-product inspection instructions, two production plants, more than 400 production equipment sets, and 60 testing equipment sets. It also holds a valid import/export license and has 15 years of export experience, supporting substantial operational capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, ODM services, and OEM services for popular brands. The range of stated services provides direct evidence of broad customization capability.