What is the lead time for shipping?

The lead time is 30 days after receiving the advance payment.

Is OEM or ODM service available?

Yes, both OEM and ODM services are available with flexible customization options.

What certifications does the product have?

The product is ISO9001 certified.

Whole Black ED Bicycle Crank with The Plastic Coat

Name: Whole Black ED Bicycle Crank with The Plastic Coat
Brand: Xingtai Tianjiu Bicycle Parts Co., Ltd
SKU: 1933784035

Hebei, ChinaXingtai Tianjiu Bicycle Parts Co., Ltd

US$2.50

200-499 Sets

US$2.25

500-999 Sets

US$2.00

1,000-1,999 Sets

US$1.78

2,000+ Sets

Sample price:US$0.00/set.Request sample

Product profile

Customization

Available

After-sales Service

We Can Offer The Best After-Seller Service

Warranty

Yes

Model NO.

TJ-QB-28

Condition

New

Certification

ISO9001

Customized

Accept Customized

Application

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

Chainwheel Teeth

28/38/48t

Material

Steel

MOQ

500PCS

Shipping

by Sea

Color

Black

Feature

Single Chainring

Transport Package

Carton

Trademark

TIANJIU/OEM

Origin

China

HS Code

87149620

Key features

Customizable Surface Color: ED surface treatment allows for customized color options to meet specific requirements.

Multiple Teeth Options: Available in 28T, 38T, and 48T chainwheel teeth configurations.

Durable Steel Material: Constructed from high-quality steel with a protective plastic crank cover.

Comprehensive Warranty: Product comes with a warranty coverage for peace of mind.

ISO9001 Certified: Manufacturing process adheres to ISO9001 quality management standards.

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

Professional Manufacturer: Direct factory source with 10 years of export experience and 260 employees.

Flexible Customization: Accepts customization from samples, designs, and offers flexible minor customization.

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: ≤3.87h

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.