What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment.

What is the lead time for production?

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

Does the manufacturer support OEM or ODM services?

Yes, OEM and ODM services are available, including customization from samples, designs, and flexible customization.

ED Variable Bicycle Crank & Chain Wheel for MTB

Name: ED Variable Bicycle Crank & Chain Wheel for MTB
Brand: Xingtai Tianjiu Bicycle Parts Co., Ltd
SKU: 1933863335

Hebei, ChinaXingtai Tianjiu Bicycle Parts Co., Ltd

US$1.80-2.20

1,000 Sets

Sample price:US$0.00/set.Request sample

Product profile

Customization

Available

After-sales Service

We Can Offer The Best After-Seller Service

Condition

New

Model NO.

TJ-QB-29

Certification

ISO9001

Customized

Accept Customized

Application

Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle, All Kinds Bike

Chainwheel Teeth

28/38/48t

Material

Steel

Transport Package

Carton

Trademark

TIANJIU

Origin

China

HS Code

87149620

Key features

Customizable Surface Color: The ED surface treatment color can be customized to meet specific requirements.

Multiple Teeth Options: Available in 28/38/48T and 24/34/42T chainring teeth configurations.

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

Steel Material Construction: Made of durable steel with a plastic crank cover for added protection.

Competitive Manufacturer Price: Direct factory pricing controls costs from material to finished products.

ISO9001 Certified Quality: Manufacturing process adheres to ISO9001 standards for quality assurance.

OEM/ODM Support: Accepts customized orders including samples, designs, and flexible customization.

Professional Manufacturer: Established in 2010 with 260 employees and 80 sets of production equipment.

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: ≤3.51h

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.