What is the lead time for production?

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

What is the hardness of the polyurethane material?

The Shore A hardness of the polyurethane foam is between 70-90.

What is the packing method for the wheels?

The recommended packing method is 5 pieces per woven bag.

3.50-8 Inflation Free Polyurethane Wheel for Wheelbarrow

Name: 3.50-8 Inflation Free Polyurethane Wheel for Wheelbarrow
Brand: Qingdao Stone Rubber Products Co., Ltd.
SKU: 1939378602

Shandong, ChinaQingdao Stone Rubber Products Co., Ltd.

US$6.20-12.00

500 Pieces

Sample price:US$12.00/piece.Request sample

Product profile

Customization

Available

Wheel Diameter

361 mm

Wheel Width

80 mm

Model NO.

3.50-8/14 inch

Hub Length

75 mm

Bore Diameter

20 mm

Net Weight

2.3 Kg

Bearing Type

Double Ball Bearing/Needle Bearing/Plain Ball

Transport Package

as Requested

Specification

3.50-8

Origin

Qingdao City, Shandong Province

HS Code

8716900000

Production Capacity

5000PCS/Day

Key features

Inflation Free Design: Polyurethane foam construction ensures no tube-broken issues and maintenance-free operation.

High Load Capacity: Lightweight design with robust load capacity suitable for hand trolleys and wheelbarrows.

Eco-Friendly Certified: Passes PAHs, REACH, and CE standards for environmental safety and quality assurance.

Custom Work Available: Supports customization for rim and tire colors, packing, and logo based on customer requirements.

17+ Years Experience: Over 17 years of manufacturing and exporting expertise with strict inspection in every link.

Durable Bearings: Equipped with Double Ball Bearing, Needle Bearing, or Plain Ball for smooth rotation.

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: ≤6.34h

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.