Are the products certified?

Yes, our products comply with ISO and CE standards, ensuring quality and safety.

Where is the manufacturer located?

The manufacturer, Qingdao Kingstone Industry&Trade Co.,Ltd, is located in JiaoNan Lingang Industry Park, Qingdao, China.

What is the warranty or quality guarantee?

We adhere to strict production processes to provide safe and reliable products, with a focus on top quality and integrity.

Chinese Suppliers Carbon Rolling Ball Bearing

Name: Chinese Suppliers Carbon Rolling Ball Bearing
Brand: Qingdao Kingstone Industry & Trade Co., Ltd.
SKU: 2231919365

Shandong, ChinaQingdao Kingstone Industry & Trade Co., Ltd.

US$0.30

1,000-4,999 Pieces

US$0.20

5,000-9,999 Pieces

US$0.10

10,000+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Customized

Color

as Customer Required

Model NO.

6204

Type

Fix Wheel

Surface Treatment

Pattern

Size

None

Material

Steel

Transport Package

Woven Bag

Specification

6204

Trademark

As Cusotmer OEM

Origin

China

HS Code

8716800000

Production Capacity

500000PCS/Year

Key features

Customized Specifications: Inner hole sizes (12-20mm) and bearing types can be customized per customer requirements.

High Load Capacity: Supports up to 200kg load capacity, suitable for heavy-duty wheelbarrow and cart applications.

Premium Material Options: Available in Steel or Carbon materials with black or custom surface treatments.

ISO and CE Certified: Products meet ISO and CE standards, ensuring quality and safety for international markets.

OEM/ODM Service: Full customization from samples or designs, including packaging and branding options.

Global Export Experience: Exported to over 60 countries including Europe, USA, Australia, and the Middle East.

Large Scale Production: Annual output of 20 million wheels and parts, ensuring stable supply and competitive pricing.

Professional Manufacturer: Established in 2020 with 24,000 sqm factory and 300+ workers, specializing in metal products.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Qingdao Kingstone Industry & Trade Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedNearest Port: Qingdao portAverage Response Time: ≤8.06h

AI-Powered supplier vetting

SummaryQingdao Kingstone Industry & Trade Co., Ltd. is a China-based limited trading company established in 2020, with seven employees and a broad product range centered on wheelbarrows, carts, wheels, tyres, and related tools. The provided information indicates annual wheelbarrow productivity of 400,000 sets, one-month lead times in both peak and off-peak seasons, and export sales representing 90% of total sales. It supports customization from samples and designs and exports primarily to Europe. However, the evidence also shows no new products launched in the past year, no in-stock, overseas warehouse, or overseas showroom capability, no written procedures or records for corrective actions or complaint handling, zero quality-control test equipment, and unknown raw-material traceability. Financial records are identified by year, but no assessable financial results are provided. No certification or customer-case evidence is included.

Supplier typeThe supplier is identified consistently as a trading company and limited company, established in China in 2020, with seven employees. Its stated business activities include processing and sales of structural metal products and sales of rubber and plastic products, hardware tools, machinery, agricultural machinery accessories, and related goods.

After-Sales capabilityThe supplier has no stated in-stock service capacity, overseas warehouse, or overseas showroom. It also has no written procedures or records for corrective and preventive actions or customer-complaint handling, indicating that formal after-sales processes are not evidenced.

R&D capabilityThe supplier launched no new products during the past year. Although it offers customization from samples and designs, the explicit absence of recent new-product launches does not support a positive assessment of innovation capability.

Production capacityThe supplier reports wheelbarrow productivity of 400,000 sets and one-month lead times in both peak and off-peak seasons, with Europe as a primary export market. However, it has no stated inventory capability and the status of a valid manufacturing-capacity contract is unknown; the available evidence supports production capacity but not comprehensive production controls.

Customization capabilityThe supplier explicitly offers customization from samples and customization from designs. This directly supports its ability to provide customized products, although no further details on engineering resources or execution controls are provided.

Product Q&A

Q:What customization options are available?

We offer customization for inner hole sizes (12-20mm), bearing types (Carbon or Common), materials (Steel), surface treatment, and packaging based on customer requirements.

Q:What is the load capacity of the bearing?

The bearing supports a load capacity of up to 200kg, making it suitable for wheelbarrows and garden carts.

Q:What materials are used for the bearing?

The bearing is made of Steel or Carbon, with options for black or custom surface treatments as requested.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 100 pieces.

Q:What is the lead time for production?

The average lead time is one month, applicable for both peak and off-peak seasons.