What is the noise reduction rating (NRR)?

The earplugs have an NRR of 33dB, providing effective soundproofing.

Can the earplugs be reused?

Yes, the earplugs can be cleaned and used repeatedly.

What materials are used for the earplugs?

The earplugs are made of soft PU foam, which is comfortable to use.

Earplug PU Foam with Box

Name: Earplug PU Foam with Box
Brand: NINGBO WELWORK PPE CO., LTD.
SKU: 1948269275

Zhejiang, ChinaNINGBO WELWORK PPE CO., LTD.

US$0.04

5,000-9,999 pair

US$0.038

10,000+ pair

Product profile

Customization

Available

Type

Ear Protection

Material

PU Foam

Model NO.

EP114

Connector

Wireless

NRR

33dB

Color

Red/Orange/Lemon/Yellow, Red, Yellow, Lemon

Name

Foam Soundproof Wire Safety Earplug with Container

Supply Ability

120000 Pair/Pairs Per Month

Carton Size

68X42X42

Weight

5.5g/PC

PCS/CTN

2000PCS/CTN

Size

13*24mm

Line

PP Plastic

Delivery Detail

Depends on The Order Qty!

Transport Package

PCS/CTN: 2000PCS/CTN

Specification

CE, ISO9001, ANSI

Trademark

WELWORK or OEM

Origin

Zhejiang, China

HS Code

3926909090

Production Capacity

120000 Pair/Pairs Per Month

Key features

High Noise Reduction: NRR 33dB effective noise reduction for safety and comfort.

Soft PU Foam Material: Made of soft PU foam with 30-60s rebound time for comfort.

Wire or Wireless Options: Choose between wired or wireless designs based on your needs.

CE & EN-352-2 Certified: Product meets CE and EN-352-2 safety standards.

Customizable Colors: Available in Red, Orange, Lemon, and Yellow colors.

OEM Service Available: We accept OEM orders including custom logos and labels.

Reusable and Cleanable: Earplugs can be cleaned and used repeatedly.

Bulk Packaging: 2000 pcs per carton with carton size 68x42x42 cm.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

NINGBO WELWORK PPE CO., LTD.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤2.14h

AI-Powered supplier vetting

SummaryThe supplier is a small Ningbo-based limited-company factory with eight employees, offering personal protective and safety products including warning vests, safety glasses, gloves, rainwear, helmets, and safety shoes. It holds ISO9001:2015 and CE certifications. The supplier demonstrates product-development activity, ODM and OEM capability, and design customization, but has only one R&D engineer and no SDK. Export sales represent 90% of total sales, while overseas service infrastructure is absent: it has no overseas showroom, agent, or branch, although it has attended BDExpo 2024 in Poland. Service procedures exist, but complaint handling and corrective/preventive-action records are not documented. Financial information is insufficient for a credibility assessment. No Fortune 500 cooperation is reported, while repeat buyers account for 80%–100%.

Supplier typeThe supplier is identified as a factory and limited company located in Ningbo’s Yinzhou District, with eight employees and no affiliated company group. This indicates a small, independently structured manufacturing supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications supporting quality-management and applicable product-compliance capability.

After-Sales capabilityThe supplier has written service procedures and followed records, but its corrective/preventive-action and complaint-handling procedures have no written records. It has no overseas showroom, agent, or branch, serves zero stated overseas-service countries, and has attended one listed offline trade show in Poland.

R&D capabilityThe supplier launched new products during the past year, provides ODM services, and has OEM experience for well-known brands. However, it has only one R&D engineer and no available SDK, so its innovation capability is demonstrated but limited in documented depth.

Customization capabilityThe supplier explicitly provides ODM services and offers customization from customer designs. These statements directly support both original-design and design-based customization capability.

Product Q&A

Q:Do you offer OEM service?

We accept OEM orders for all our safety production lines, including client's logos and labels. We have powerful R&D capabilities to turn your ideas into concrete products and help pass testing standards.

Q:What is your sample policy?

We offer charged samples according to client requirements. Samples are shipped within 24 hours after order confirmation (if without any logo) via courier with freight collect.

Q:How do you guarantee client interests?

We support third-party quality inspections before delivery. If mass production differs from the approved sample, we take full responsibility. If we do not ship on time, we will compensate for your loss.

Q:What shipment methods do you offer?

For huge orders, sea cargo is the best choice.

Q:What are your payment methods?

We accept T/T, L/C, D/P, Western Union, and PayPal.