What are the payment terms accepted?

We accept various payment methods including 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. This applies to both peak season and off-season periods.

Is the lock waterproof and dustproof?

Yes, the U Lock features waterproof and dustproof designs, ensuring a longer lifespan and safer use in various weather conditions.

D Lock U Lock Bicycle Bike Motorcycle Door

Name: D Lock U Lock Bicycle Bike Motorcycle Door
Brand: WENZHOU NAIBAO LOCK CO., LTD.
SKU: 2209293605

Zhejiang, ChinaWENZHOU NAIBAO LOCK CO., LTD.

US$2.36

1,000-2,999 Pieces

US$2.32

3,000-4,999 Pieces

US$2.28

5,000-9,999 Pieces

US$2.20

10,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

U Lock

Material

Steel

Model NO.

SL3331

Color

Black, Blue, Grey, Orange, etc

Lock Core Theft-Proof Performance

Ultra B Class

Lock Core Type

U Lock

Bracket

with or Without

Transport Package

Carton

Specification

12x160x320mm

Trademark

Nurbo

Origin

Wenzhou, China

HS Code

8301400000

Production Capacity

2000PCS/Day

Key features

Multi-Color Customization: Available in Black, Blue, Grey, Orange, and Yellow with flexible customization options.

High Security Lock Core: Features Ultra B Class theft-proof performance for enhanced safety against cutting and drilling.

Durable Material Composition: Constructed from A3 steel, Zinc alloy, PVC, Brass, and ABS for long lifespan and durability.

OEM and ODM Service: Supports full customization from samples, designs, or minor adjustments for brand owners.

Weatherproof Design: Waterproof and dustproof features ensure reliable performance in various environmental conditions.

Anti-Theft Features: Designed with anti-saw and anti-drill capabilities to protect bicycles and motorcycles effectively.

Bracket Options: Customizable bracket configurations available with or without mounting brackets.

Professional Manufacturer: Established in 2007 with 17 years of export experience and strict QA/QC inspection.

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: ≤9.16h

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.

Product Q&A

Q:What colors are available for this U Lock?

The U Lock is available in multiple colors including Black, Blue, Yellow, Grey, and Orange. Custom colors can also be arranged.

Q:What is the security level of the lock core?

The lock core features Ultra B Class theft-proof performance, providing high security against cutting and drilling attempts.

Q:Does the product support OEM or ODM services?

Yes, we offer both OEM and ODM services. Customization options include full customization from samples or designs, as well as minor and flexible customization.

Q:What materials are used to make this lock?

The lock is made from high-quality materials including A3 steel, Zinc alloy, PVC, Brass, and ABS to ensure durability and anti-saw/anti-drill performance.

Q:What is the minimum order quantity (MOQ)?

The standard MOQ is 2000 PCS. However, please note that the company info also lists a general minimum order quantity of 1000 pcs for other products.