What certifications does the product have?

The product is certified with CE and ISO9001.

What materials are used for the seat clamp?

The seat clamp is made of aluminum.

What is the warranty or after-sales service?

We provide after-sales service and have a well-deserved reputation for quality and support.

Bicycle 31.8 mm Aluminum Quick-Release Seat Clamp

Name: Bicycle 31.8 mm Aluminum Quick-Release Seat Clamp
Brand: Xingtai Tianjiu Bicycle Parts Co., Ltd
SKU: 1935457841

Hebei, ChinaXingtai Tianjiu Bicycle Parts Co., Ltd

US$0.20-0.90

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Condition

New

Model NO.

TJ-SADDLE CLAMP

Certification

CE, ISO9001

Customized

Application

Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle

Material

Aluminum

Sample

Yes

Transport Package

Carton

Specification

31.8

Trademark

TIANJIU/OEM

Origin

China

HS Code

8714999000

Production Capacity

500000PCS/

Key features

Customized Color: Color is available as required by customer specifications.

Aluminum Material: Constructed from high-quality aluminum for durability and lightweight performance.

Quick-Release Design: Features a 31.8 mm quick-release mechanism for easy seat adjustment.

Wide Application: Suitable for kids bikes, road bikes, mountain bikes, and ordinary bicycles.

OEM & ODM Services: Full customization, minor customization, and flexible options from samples or designs available.

CE & ISO9001 Certified: Product meets international quality and safety standards with CE and ISO9001 certification.

Low MOQ: Minimum Order Quantity is 1000 pieces, suitable for various business scales.

Fast Delivery: Average lead time is one month for both peak and off-peak seasons.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceFast DeliveryQuality Assurance

Xingtai Tianjiu Bicycle Parts Co., Ltd

Hebei, 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: 10 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.17h

AI-Powered supplier vetting

SummaryThe supplier is a combined company located in Hebei, China, with manufacturing, export, service, quality-control, and R&D-related capabilities listed. It offers broad customization and reports ODM and OEM experience, but is explicitly not a professional technical supplier and does not provide 3D software design or SDKs. Export activity is substantial, with 90% of total sales from exports and 10 years of export experience; stated markets include Africa, Europe, and domestic trade. Production resources include more than 10 production lines, inventory capability, and 6–10 quality-control staff, although no valid manufacturing-capacity contract with related subcontractors is reported. The supplier has quality assurance and uniformly followed finished-product inspection instructions, but lacks management-system certification, an approved-supplier list, and written corrective-action or complaint-handling procedures. Financial data for the stated periods shows zero reported operating revenue, operating cost,...

CertificationsThe supplier reports quality assurance in its quality-control processes, but its management-system certification status is NIL. Therefore, quality assurance is claimed without evidence of formal management-system certification.

After-Sales capabilityThe company describes comprehensive after-sales service and has inventory capability, but it has no overseas warehouse, overseas showroom, overseas agents or branches, and no written complaint-handling procedures or records. The positive service statement is therefore not supported by documented after-sales processes.

Financial creditThe provided financial records report zero operating revenue, operating cost, gross profit, and operating profit for 2024, with zero operating revenue also reported for 2023. These figures create a significant concern regarding demonstrated operating activity and financial credibility, although no further financial context is provided.

R&D capabilityThe supplier offers ODM services and OEM services for well-known brands, but reports no new products in the past year, no SDK availability, no 3D software design service, and only one year of total R&D engineer experience. The evidence indicates limited documented innovation capability despite design-related service offerings.

Production capacityThe supplier reports more than 10 production lines, inventory capability, standardized instructions for finished-product inspection, and one-month order fulfillment in both peak and off-peak seasons. However, it reports no valid manufacturing-capacity contract with related subcontractors, creating a documented capacity-management weakness.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM services. These statements directly support broad customization capability.