How do you ensure product quality?

We conduct 100% full inspection before shipment. We use reliable components (original-grade flash and controllers) and run aging tests and speed checks.

What payment methods do you accept?

We accept T/T, Trade Assurance, and L/C (for large orders).

What is your warranty policy?

We offer 1-3 years warranty depending on the product category. Any defective product can be replaced or refunded after verification.

Large-Capacity USB Flash Drive - Waterproof USB 3.1 Memory Stick with Lifetime Warranty

Name: Large-Capacity USB Flash Drive - Waterproof USB 3.1 Memory Stick with Lifetime Warranty
Brand: Shenzhen Peng Shi Science and Technology Limited Company
SKU: 2244678285

Guangdong, ChinaShenzhen Peng Shi Science and Technology Limited Company

US$1.25

50-99 Pieces

US$1.23

100-499 Pieces

US$1.21

500+ Pieces

Sample price:US$1.88/piece.Request sample

Product profile

Customization

Available

Storage Capacity

4GB-128GB

Interface Type

USB 2.0 / USB 3.0

Model NO.

U111

Shape

Pen

Material

Metal

Open Style

Unplug

USB Type

Common USB Disk

Color

Black / White / Golden / Red / Green

Function

Storage USB Disk, Boot USB Disk, Antivirus USB Disk, Thermometer USB Disk, Music USB Disk

Security Check

Support Security Check

Warranty

1 Year

Waterproof

Yes

Production Cyclec

Three Days

Package Size

130mm*100mm*7mm

Transport Package

Retail / Bulk Packaging

Specification

38*12. *7mm

Trademark

OEM/ODM

Origin

China

HS Code

8523511000

Production Capacity

80000 Pieces/Month

Key features

Lifetime Warranty Option: Available with 1-year standard warranty; specific models offer lifetime coverage.

Waterproof Design: Metal casing provides waterproof protection for reliable data storage.

Multi-Function Utility: Supports storage, booting, antivirus, thermometer, and music playback.

OEM/ODM Customization: Customizable logo, shell, color, capacity, and packaging for brands.

High-Speed Interface: Available in USB 2.0 and USB 3.1 interfaces for efficient data transfer.

100% Quality Inspection: Rigorous aging tests and speed checks ensure zero defective shipments.

Certified Safety: Products comply with CE, RoHS, and FCC standards for global markets.

Fast Production Cycle: Standard production cycle is three days for quick order fulfillment.

Company profile

Quality AssuranceManagement CertificationPatents AwardedFast Delivery

Shenzhen Peng Shi Science and Technology Limited Company

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization and product development capabilities, including ODM services, sample/design-based customization, flexible customization, and evidence of new products within the past year. It reports automated production and testing equipment, SOP implementation, QA monitoring, full inspection, traceability, and in-stock capability. Quality and sustainability credentials include ISO9001:2015, ISO14001, and ISO45001:2018 certifications, along with documented corrective-action and complaint-handling procedures. However, overseas service coverage is limited: it has no overseas agents, branches, warehouse, showroom, or trade-show participation, and exports began only one year ago. Manufacturing capacity lacks a valid contract with related subcontractors, while supplier-service assessment procedures and an approved supplier list are absent. Financial credibility cannot be positively assessed because the current ratio is stated as zero and no additional financial evidence is...

Supplier typeThe supplier presents itself as a source manufacturer and conducts technical development and sales of electronic products, domestic trade, and permitted import-export operations. Its described process covers SMT soldering through assembly and packaging, supported by automated production and testing equipment, indicating a manufacturing-oriented electronics supplier.

CertificationsThe supplier reports ISO14001, ISO9001:2015, and ISO45001:2018 certifications. These explicitly demonstrate formal certification across environmental management, quality management, and occupational health and safety.

After-Sales capabilityThe supplier states that it provides after-sales support and has clear, followed procedures and records for customer complaints and corrective and preventive actions. This supports an established after-sales and issue-resolution process, although no service performance metrics are provided.

Financial creditThe reported current ratio for the last three years is 0. This is an explicit adverse financial indicator, and the provided information contains no offsetting financial evidence to support stronger credibility.

R&D capabilityThe supplier reports R&D capability, at least one new product during the past year, and ODM service availability. These statements provide direct evidence of ongoing product development and original design support.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, as well as logo printing, file preloading, customized casings, and packaging. It also reports ODM services, indicating broad customization coverage.

Product Q&A

Q:Are you a factory or trading company?

We are a manufacturer with over 15 years of experience in producing USB flash drives, TF cards, memory sticks, SSDs, PSSD and other storage devices. We offer both OEM and ODM services.

Q:Can I customize my products?

Yes, you can customize the product logo, shell, color, capacity, packaging.

Q:What is your MOQ (Minimum Order Quantity)?

For standard models without customization, MOQ can be as low as 10~100 pcs, it depends on product category. For OEM orders, MOQ depends on the customization details.

Q:Can I get a sample before bulk order?

Yes, we offer free or paid samples depending on the product and order quantity.

Q:What certificates do your products have?

Our products comply with CE, ROHS, FCC standards. If you require specific certifications for your market,please let us know.