Is the lock waterproof?

Yes, the lock features a waterproof and dustproof design for enhanced safety.

What is the material of the lock cylinder and keys?

Both the lock cylinder and keys are made of brass.

Do you perform quality inspection on finished products?

Yes, we conduct 100% inspection including visual and functional checks.

Factory Supplied Bike Accessories Chain Lock Bicycle Key Lock

Name: Factory Supplied Bike Accessories Chain Lock Bicycle Key Lock
Brand: WENZHOU NAIBAO LOCK CO., LTD.
SKU: 2211433005

Zhejiang, ChinaWENZHOU NAIBAO LOCK CO., LTD.

US$0.98

2,000-2,999 Pieces

US$0.97

3,000-3,999 Pieces

US$0.96

4,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Chain Lock

Material

Steel

Model NO.

SL7721

Color

Red

Lock Cylinder

Brass

Key

Brass

OEM

Yes

Packing

Plastic Bag with Card

Weight

240g

Transport Package

Carton

Specification

3.5X900mm

Trademark

Nurbo

Origin

Wenzhou, China

HS Code

8301400000

Production Capacity

30000 Pieces Per Month

Key features

Anti-Saw and Anti-Drill Protection: Features robust A3 steel and PVC construction to resist sawing and drilling attacks.

Waterproof and Dustproof Design: Ensures durability and safety in various weather conditions with sealed components.

Flexible Length Customization: Available in 3.5x900mm size with options for flexible length adjustments.

OEM and ODM Services Available: Supports full customization, minor customization, and customization from samples or designs.

High-Quality Brass Components: Lock cylinder and keys are made of durable brass for reliable performance.

100% Finished Product Inspection: Every item undergoes visual and functional inspection by 3 dedicated QA/QC inspectors.

Consistent Lead Time: Average lead time is one month for both peak and off-peak seasons.

Flexible Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Company profile

Years of Export ExperienceFast DeliveryQuality Assurance

WENZHOU NAIBAO LOCK CO., LTD.

Zhejiang, 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: 17 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤9.90h

AI-Powered supplier vetting

SummaryThe supplier manufactures hardware products, metal tools, and smart-home consumer devices, with import/export activities. It reports 17 years of export experience, two production lines, inventory capability, and established customization and ODM/OEM services. R&D activity is supported by new products introduced during the past year, although no SDK is available. Quality assurance is reported, with three inspectors and written, consistently followed finished-product inspection instructions. Key control weaknesses include no continuous production quantity reconciliation, no standard outsourcing procedure, no valid contract with related subcontractors, and no written corrective/preventive-action records. The supplier has no overseas warehouses, branches, agents, showrooms, or offline trade-show participation. Financial information is identified for 2021–2023, but the provided slices do not establish financial strength.

Supplier typeThe supplier is a manufacturer and seller of hardware products, metal tools, and smart-home consumer devices, with import/export activities. Its description also states that products are exported to Russia, the UK, Australia, Mexico, and the Middle East, indicating an export-oriented manufacturing supplier.

After-Sales capabilityThe supplier reports a customer-complaint procedure, but it has no written records, and its corrective and preventive action mechanism has neither written procedures nor records. It also has no overseas agents, branches, warehouses, or showrooms, limiting evidence of structured after-sales support.

R&D capabilityThe supplier states that it introduced new products during the past year, provides ODM services, and emphasizes continuous product innovation. However, it has no available SDK, so its innovation support does not extend to SDK-based development according to the provided evidence.

Production capacityThe supplier operates two production lines, has inventory capability, and has 17 years of export experience. Nevertheless, it does not continuously reconcile production quantities, lacks a standard outsourcing procedure, and has no valid contract with related subcontractors, indicating process-control weaknesses.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization. These services are reported consistently across the R&D and design-capability records, providing clear evidence of broad customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and exports products to multiple overseas markets, including Russia, the UK, Australia, Mexico, and the Middle East. However, no specific customer names, project details, or verifiable case descriptions are provided.