What are the lead times for production?

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

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What certifications does the factory have?

We are approved by international institutions such as SGS, TUV, and BV.

4.10/3.50-4 Pneumatic Rubber Wheel for Hand Truck

Name: 4.10/3.50-4 Pneumatic Rubber Wheel for Hand Truck
Brand: QINGDAO GOLDEN SOURCE INDUSTRY CO., LTD.
SKU: 2102022572

Shandong, ChinaQINGDAO GOLDEN SOURCE INDUSTRY CO., LTD.

US$2.00

1,000 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Wheel Material

Rubber

Brake

Without Brake

Bearing Type

Ball Bearing

Model NO.

4.10/3.50-4

Surface Treatment

Powder Painting

Brand

Specification

4.10/3.50-4

Diameter

250mm

Transport Package

10PCS/Polybag

Specification

4.10/3.50-4

Origin

Qingdao, China

HS Code

87169000

Production Capacity

200000PCS/Month

Key features

Versatile Applications: Commonly used on air compressors, hand trucks, generators, pressure washers, and other utility equipment.

High Load Capacity: Features a robust load capacity of 300 pounds for heavy-duty tasks.

Easy Flat Repair: Tube type design allows fixing a flat by simply installing a new inner tube.

Customizable Tread Patterns: Available in line, comb, cross, flower, and diamond patterns according to request.

Flexible Ply Ratings: Offers 2PR, 4PR, and 6PR options tailored to specific customer requirements.

Pre-Mounted Design: Comes pre-mounted on a solid steel gray wheel for quick and easy installation.

Customizable Packaging: Packing options include bundle, bulk, woven bag, or pallet as per customer request.

OEM Service Available: Full customization and OEM services are welcomed with strict quality control.

Company profile

High Repeat Buyers ChoicePatents AwardedR&D CapabilitiesProduction Process Visualization

QINGDAO GOLDEN SOURCE INDUSTRY CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Full Customization CertifiedExport Year: 9 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.82h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing and export activities spanning tires, automotive parts, rubber and plastic products, hardware, security equipment, sanitary ware, and related goods. It reports broad customization services, recent new-product activity, ODM capability, OEM service for known brands, an available SDK, and one national science and technology progress award. Manufacturing evidence includes three production lines and listed rubber-processing equipment, while quality inspection is supported by two inspectors and standardized finished-product inspection instructions. Export sales account for 90% of total sales, with three experienced export staff. However, service procedures, corrective actions, complaint handling, and supplier assessment procedures lack written records, and continuous quantity reconciliation is not performed. Financial information is present for several years, but the slices do not provide sufficient performance detail for a clear financial...

Supplier typeThe supplier is classified as a combined company and its registered business scope covers manufacturing and sales of tires, automotive parts, rubber and plastic products, hardware, security equipment, sanitary ware, and other goods, together with import and export activities. This indicates a diversified manufacturer-trader profile rather than a narrowly specialized supplier.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, has an available SDK, and holds one national science and technology progress award. These points explicitly support active product development and technical capability.

Production capacityProduction capability is supported by three production lines, listed rubber-processing equipment including mixers, mills, extruders, forming and vulcanization machines, and manufacturing scopes covering tires, automotive parts, rubber, plastic, and hardware products. Quality control includes two inspectors and standardized finished-product inspection instructions, but the factory does not continuously reconcile quantities for each batch or production lot.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service and recent new-product activity, providing direct evidence of broad customization support.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one category of customer engagement. No brand names, project details, product examples, or performance records are provided, limiting the depth of case verification.