What is the lead time for production?

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

What are the main applications for this wheel?

It is suitable for hand trolly, hand truck, tool cart, wheelbarrow, and similar equipment.

Do you provide inspection reports?

Yes, we provide factory inspection reports with random visual and function inspections.

3.50-4 Air Rubber Wheel for Hand Trolly Wheelbarrow

Name: 3.50-4 Air Rubber Wheel for Hand Trolly Wheelbarrow
Brand: Qingdao Stone Rubber Products Co., Ltd.
SKU: 1945109012

Shandong, ChinaQingdao Stone Rubber Products Co., Ltd.

US$2.90-6.00

300 Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Wheel Diameter

258 mm

Wheel Width

78 mm

Model NO.

3.50-4/260x85/10inch/10x3.50-4

Hub Length

50 mm

Bore Diameter

12/16/20 mm

Net Weight

1.2 Kg

Bearing Type

No Bearing/Double Bearings/Needle Bearing

Transport Package

as Requested

Specification

3.50-4/260x85/10inch/10x3.50-4

Origin

Qingdao City, Shandong Province

HS Code

8716900000

Production Capacity

5000PCS/Day

Key features

Light Weight & High Load: Designed for light weight and high load capacity to ensure efficient transport.

ODM & OEM Accepted: Full customization services including designs, samples, and flexible customization options.

Custom Color Options: Custom work available for rim and tire colors to match brand requirements.

Durable Construction: Engineered to never worry about tube-broken issues for long-lasting performance.

Eco-Friendly Materials: Environmental-friendly tires that pass PAHs, REACH, and CE safety standards.

Strict Quality Control: Rigorous inspection in every link with 3 QA/QC inspectors and traceability.

17+ Years Experience: Over 17 years of manufacturing and exporting experience in the industry.

No Surface Marking: Manufactured to ensure no marking on the product surface.

Company profile

Years of Export ExperienceExperienced TeamExhibition ExperienceMulti-language Pioneer

Qingdao Stone Rubber Products Co., Ltd.

Shandong, 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: 20 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤6.02h

AI-Powered supplier vetting

SummaryQingdao Stone Rubber Products Co., Ltd. is a China-based limited company established in 2004, with 35 employees and 13 production lines. It offers rubber and PU wheels, carts, wagons, wheelbarrows, dumpers, and wheel chocks. The supplier demonstrates broad customization and ODM capabilities, reports new products within the past year, and has provided OEM services to well-known brands. Written procedures and records support supplier-service assessment, corrective and preventive actions, and customer complaint handling. It holds an ISO9001:2015 certificate and conducted regular fire drills during the past year. However, it has no overseas warehouse, showroom, overseas agent or branch, and no available SDK. Production quantity reconciliation is not conducted continuously for every batch or bulk production. The provided information does not establish sufficient evidence of financial credibility or specific customer cases.

Supplier typeThe supplier is identified as Qingdao Stone Rubber Products Co., Ltd., a China-based limited company established in 2004. Its stated product scope covers PU and rubber wheels, carts, wagons, electric wheelbarrows, mini dumpers, and wheel chocks, indicating a combined manufacturing and export-oriented supplier profile.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit certification evidence, although no additional certification details are provided.

After-Sales capabilityThe supplier has written procedures and followed records for customer complaint handling, corrective and preventive actions, and service-capability assessment. However, it has no overseas warehouse, showroom, agent, or branch, while its stated peak- and off-season lead times are both one month.

R&D capabilityThe supplier reports new products within the past year and provides ODM services, demonstrating product-development activity. However, it reports no available SDK, so the evidence supports general R&D capability but not SDK-based innovation support.

Production capacityThe supplier reports 13 production lines and offers a defined range of wheel, cart, wagon, wheelbarrow, dumper, and wheel-chock products. A stated weakness is that the factory does not continuously reconcile quantities for every batch or bulk-production run.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This provides direct evidence of broad customization capability.

Product Q&A

Q:What customization options are available?

We offer full customization including customization from samples, designs, minor customization, and flexible customization for color, packing, and logo.

Q:What are the product specifications?

The wheel diameter is 258 mm, width is 78 mm, hub length is 50 mm, bore diameter is 12/16/20 mm, and net weight is 1.2 kg.

Q:What certifications does the product have?

The product is certified under BSCI, ISO9001, and the tires pass PAHs, REACH, and CE standards.

Q:What is the minimum order quantity?

The minimum order quantity is 200 pieces.

Q:What are the payment terms?

We accept LC, T/T, PayPal, and Western Union.